254844720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1433}}^1$

素因数の和:1484

約数の個数: 240

約数和(自身を含む): 970875360

約数和(自身を除く): 716030640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1433, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2866, 2964, 3120, 3420, 3705, 3952, 4299, 4446, 4560, 4680, 4940, 5732, 5928, 6840, 7165, 7410, 8598, 8892, 9360, 9880, 11115, 11464, 11856, 12897, 13680, 14330, 14820, 17196, 17784, 18629, 19760, 21495, 22230, 22928, 25794, 27227, 28660, 29640, 34392, 35568, 37258, 42990, 44460, 51588, 54454, 55887, 57320, 59280, 64485, 68784, 74516, 81681, 85980, 88920, 93145, 103176, 108908, 111774, 114640, 128970, 136135, 149032, 163362, 167661, 171960, 177840, 186290, 206352, 217816, 223548, 245043, 257940, 272270, 279435, 298064, 326724, 335322, 343920, 353951, 372580, 408405, 435632, 447096, 490086, 515880, 544540, 558870, 653448, 670644, 707902, 745160, 816810, 838305, 894192, 980172, 1031760, 1061853, 1089080, 1117740, 1225215, 1306896, 1341288, 1415804, 1490320, 1633620, 1676610, 1769755, 1960344, 2123706, 2178160, 2235480, 2450430, 2682576, 2831608, 3185559, 3267240, 3353220, 3539510, 3920688, 4247412, 4470960, 4900860, 5309265, 5663216, 6371118, 6534480, 6706440, 7079020, 8494824, 9801720, 10618530, 12742236, 13412880, 14158040, 15927795, 16989648, 19603440, 21237060, 25484472, 28316080, 31855590, 42474120, 50968944, 63711180, 84948240, 127422360, 254844720]

約数ペア:

[(1, 254844720), (2, 127422360), (3, 84948240), (4, 63711180), (5, 50968944), (6, 42474120), (8, 31855590), (9, 28316080), (10, 25484472), (12, 21237060), (13, 19603440), (15, 16989648), (16, 15927795), (18, 14158040), (19, 13412880), (20, 12742236), (24, 10618530), (26, 9801720), (30, 8494824), (36, 7079020), (38, 6706440), (39, 6534480), (40, 6371118), (45, 5663216), (48, 5309265), (52, 4900860), (57, 4470960), (60, 4247412), (65, 3920688), (72, 3539510), (76, 3353220), (78, 3267240), (80, 3185559), (90, 2831608), (95, 2682576), (104, 2450430), (114, 2235480), (117, 2178160), (120, 2123706), (130, 1960344), (144, 1769755), (152, 1676610), (156, 1633620), (171, 1490320), (180, 1415804), (190, 1341288), (195, 1306896), (208, 1225215), (228, 1117740), (234, 1089080), (240, 1061853), (247, 1031760), (260, 980172), (285, 894192), (304, 838305), (312, 816810), (342, 745160), (360, 707902), (380, 670644), (390, 653448), (456, 558870), (468, 544540), (494, 515880), (520, 490086), (570, 447096), (585, 435632), (624, 408405), (684, 372580), (720, 353951), (741, 343920), (760, 335322), (780, 326724), (855, 298064), (912, 279435), (936, 272270), (988, 257940), (1040, 245043), (1140, 223548), (1170, 217816), (1235, 206352), (1368, 186290), (1433, 177840), (1482, 171960), (1520, 167661), (1560, 163362), (1710, 149032), (1872, 136135), (1976, 128970), (2223, 114640), (2280, 111774), (2340, 108908), (2470, 103176), (2736, 93145), (2866, 88920), (2964, 85980), (3120, 81681), (3420, 74516), (3705, 68784), (3952, 64485), (4299, 59280), (4446, 57320), (4560, 55887), (4680, 54454), (4940, 51588), (5732, 44460), (5928, 42990), (6840, 37258), (7165, 35568), (7410, 34392), (8598, 29640), (8892, 28660), (9360, 27227), (9880, 25794), (11115, 22928), (11464, 22230), (11856, 21495), (12897, 19760), (13680, 18629), (14330, 17784), (14820, 17196)]