278825760

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 384

約数和(自身を含む): 1064448000

約数和(自身を除く): 785622240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 43, 45, 48, 54, 57, 60, 72, 76, 79, 80, 86, 90, 95, 96, 108, 114, 120, 129, 135, 144, 152, 158, 160, 171, 172, 180, 190, 215, 216, 228, 237, 240, 258, 270, 285, 288, 304, 316, 342, 344, 360, 380, 387, 395, 430, 432, 456, 474, 480, 513, 516, 540, 570, 608, 632, 645, 684, 688, 711, 720, 760, 774, 790, 817, 855, 860, 864, 912, 948, 1026, 1032, 1080, 1140, 1161, 1185, 1264, 1290, 1368, 1376, 1422, 1440, 1501, 1520, 1548, 1580, 1634, 1710, 1720, 1824, 1896, 1935, 2052, 2064, 2133, 2160, 2280, 2322, 2370, 2451, 2528, 2565, 2580, 2736, 2844, 3002, 3040, 3096, 3160, 3268, 3397, 3420, 3440, 3555, 3792, 3870, 4085, 4104, 4128, 4266, 4320, 4503, 4560, 4644, 4740, 4902, 5130, 5160, 5472, 5688, 5805, 6004, 6192, 6320, 6536, 6794, 6840, 6880, 7110, 7353, 7505, 7584, 7740, 8170, 8208, 8532, 9006, 9120, 9288, 9480, 9804, 10191, 10260, 10320, 10665, 11376, 11610, 12008, 12255, 12384, 12640, 13072, 13509, 13588, 13680, 14220, 14706, 15010, 15480, 16340, 16416, 16985, 17064, 18012, 18576, 18960, 19608, 20382, 20520, 20640, 21330, 22059, 22515, 22752, 23220, 24016, 24510, 26144, 27018, 27176, 27360, 28440, 29412, 30020, 30573, 30960, 32680, 33970, 34128, 36024, 36765, 37152, 37920, 39216, 40527, 40764, 41040, 42660, 44118, 45030, 46440, 48032, 49020, 50955, 54036, 54352, 56880, 58824, 60040, 61146, 61920, 64543, 65360, 67545, 67940, 68256, 72048, 73530, 78432, 81054, 81528, 82080, 85320, 88236, 90060, 91719, 92880, 98040, 101910, 108072, 108704, 110295, 113760, 117648, 120080, 122292, 129086, 130720, 135090, 135880, 144096, 147060, 152865, 162108, 163056, 170640, 176472, 180120, 183438, 185760, 193629, 196080, 202635, 203820, 216144, 220590, 235296, 240160, 244584, 258172, 270180, 271760, 294120, 305730, 322715, 324216, 326112, 341280, 352944, 360240, 366876, 387258, 392160, 405270, 407640, 432288, 441180, 458595, 489168, 516344, 540360, 543520, 580887, 588240, 611460, 645430, 648432, 705888, 720480, 733752, 774516, 810540, 815280, 882360, 917190, 968145, 978336, 1032688, 1080720, 1161774, 1176480, 1222920, 1290860, 1296864, 1467504, 1549032, 1621080, 1630560, 1742661, 1764720, 1834380, 1936290, 2065376, 2161440, 2323548, 2445840, 2581720, 2904435, 2935008, 3098064, 3242160, 3485322, 3529440, 3668760, 3872580, 4647096, 4891680, 5163440, 5808870, 6196128, 6484320, 6970644, 7337520, 7745160, 8713305, 9294192, 10326880, 11617740, 13941288, 14675040, 15490320, 17426610, 18588384, 23235480, 27882576, 30980640, 34853220, 46470960, 55765152, 69706440, 92941920, 139412880, 278825760]

約数ペア:

[(1, 278825760), (2, 139412880), (3, 92941920), (4, 69706440), (5, 55765152), (6, 46470960), (8, 34853220), (9, 30980640), (10, 27882576), (12, 23235480), (15, 18588384), (16, 17426610), (18, 15490320), (19, 14675040), (20, 13941288), (24, 11617740), (27, 10326880), (30, 9294192), (32, 8713305), (36, 7745160), (38, 7337520), (40, 6970644), (43, 6484320), (45, 6196128), (48, 5808870), (54, 5163440), (57, 4891680), (60, 4647096), (72, 3872580), (76, 3668760), (79, 3529440), (80, 3485322), (86, 3242160), (90, 3098064), (95, 2935008), (96, 2904435), (108, 2581720), (114, 2445840), (120, 2323548), (129, 2161440), (135, 2065376), (144, 1936290), (152, 1834380), (158, 1764720), (160, 1742661), (171, 1630560), (172, 1621080), (180, 1549032), (190, 1467504), (215, 1296864), (216, 1290860), (228, 1222920), (237, 1176480), (240, 1161774), (258, 1080720), (270, 1032688), (285, 978336), (288, 968145), (304, 917190), (316, 882360), (342, 815280), (344, 810540), (360, 774516), (380, 733752), (387, 720480), (395, 705888), (430, 648432), (432, 645430), (456, 611460), (474, 588240), (480, 580887), (513, 543520), (516, 540360), (540, 516344), (570, 489168), (608, 458595), (632, 441180), (645, 432288), (684, 407640), (688, 405270), (711, 392160), (720, 387258), (760, 366876), (774, 360240), (790, 352944), (817, 341280), (855, 326112), (860, 324216), (864, 322715), (912, 305730), (948, 294120), (1026, 271760), (1032, 270180), (1080, 258172), (1140, 244584), (1161, 240160), (1185, 235296), (1264, 220590), (1290, 216144), (1368, 203820), (1376, 202635), (1422, 196080), (1440, 193629), (1501, 185760), (1520, 183438), (1548, 180120), (1580, 176472), (1634, 170640), (1710, 163056), (1720, 162108), (1824, 152865), (1896, 147060), (1935, 144096), (2052, 135880), (2064, 135090), (2133, 130720), (2160, 129086), (2280, 122292), (2322, 120080), (2370, 117648), (2451, 113760), (2528, 110295), (2565, 108704), (2580, 108072), (2736, 101910), (2844, 98040), (3002, 92880), (3040, 91719), (3096, 90060), (3160, 88236), (3268, 85320), (3397, 82080), (3420, 81528), (3440, 81054), (3555, 78432), (3792, 73530), (3870, 72048), (4085, 68256), (4104, 67940), (4128, 67545), (4266, 65360), (4320, 64543), (4503, 61920), (4560, 61146), (4644, 60040), (4740, 58824), (4902, 56880), (5130, 54352), (5160, 54036), (5472, 50955), (5688, 49020), (5805, 48032), (6004, 46440), (6192, 45030), (6320, 44118), (6536, 42660), (6794, 41040), (6840, 40764), (6880, 40527), (7110, 39216), (7353, 37920), (7505, 37152), (7584, 36765), (7740, 36024), (8170, 34128), (8208, 33970), (8532, 32680), (9006, 30960), (9120, 30573), (9288, 30020), (9480, 29412), (9804, 28440), (10191, 27360), (10260, 27176), (10320, 27018), (10665, 26144), (11376, 24510), (11610, 24016), (12008, 23220), (12255, 22752), (12384, 22515), (12640, 22059), (13072, 21330), (13509, 20640), (13588, 20520), (13680, 20382), (14220, 19608), (14706, 18960), (15010, 18576), (15480, 18012), (16340, 17064), (16416, 16985)]