28372320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 288

約数和(自身を含む): 109680480

約数和(自身を除く): 81308160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 32, 34, 36, 38, 40, 45, 48, 51, 57, 60, 61, 68, 72, 76, 80, 85, 90, 95, 96, 102, 114, 120, 122, 136, 144, 152, 153, 160, 170, 171, 180, 183, 190, 204, 228, 240, 244, 255, 272, 285, 288, 304, 305, 306, 323, 340, 342, 360, 366, 380, 408, 456, 480, 488, 510, 544, 549, 570, 608, 610, 612, 646, 680, 684, 720, 732, 760, 765, 816, 855, 912, 915, 969, 976, 1020, 1037, 1098, 1140, 1159, 1220, 1224, 1292, 1360, 1368, 1440, 1464, 1520, 1530, 1615, 1632, 1710, 1824, 1830, 1938, 1952, 2040, 2074, 2196, 2280, 2318, 2440, 2448, 2584, 2720, 2736, 2745, 2907, 2928, 3040, 3060, 3111, 3230, 3420, 3477, 3660, 3876, 4080, 4148, 4392, 4560, 4636, 4845, 4880, 4896, 5168, 5185, 5472, 5490, 5795, 5814, 5856, 6120, 6222, 6460, 6840, 6954, 7320, 7752, 8160, 8296, 8784, 9120, 9272, 9333, 9690, 9760, 10336, 10370, 10431, 10980, 11590, 11628, 12240, 12444, 12920, 13680, 13908, 14535, 14640, 15504, 15555, 16592, 17385, 17568, 18544, 18666, 19380, 19703, 20740, 20862, 21960, 23180, 23256, 24480, 24888, 25840, 27360, 27816, 29070, 29280, 31008, 31110, 33184, 34770, 37088, 37332, 38760, 39406, 41480, 41724, 43920, 46360, 46512, 46665, 49776, 51680, 52155, 55632, 58140, 59109, 62220, 69540, 74664, 77520, 78812, 82960, 83448, 87840, 92720, 93024, 93330, 98515, 99552, 104310, 111264, 116280, 118218, 124440, 139080, 149328, 155040, 157624, 165920, 166896, 177327, 185440, 186660, 197030, 208620, 232560, 236436, 248880, 278160, 295545, 298656, 315248, 333792, 354654, 373320, 394060, 417240, 465120, 472872, 497760, 556320, 591090, 630496, 709308, 746640, 788120, 834480, 886635, 945744, 1182180, 1418616, 1493280, 1576240, 1668960, 1773270, 1891488, 2364360, 2837232, 3152480, 3546540, 4728720, 5674464, 7093080, 9457440, 14186160, 28372320]

約数ペア:

[(1, 28372320), (2, 14186160), (3, 9457440), (4, 7093080), (5, 5674464), (6, 4728720), (8, 3546540), (9, 3152480), (10, 2837232), (12, 2364360), (15, 1891488), (16, 1773270), (17, 1668960), (18, 1576240), (19, 1493280), (20, 1418616), (24, 1182180), (30, 945744), (32, 886635), (34, 834480), (36, 788120), (38, 746640), (40, 709308), (45, 630496), (48, 591090), (51, 556320), (57, 497760), (60, 472872), (61, 465120), (68, 417240), (72, 394060), (76, 373320), (80, 354654), (85, 333792), (90, 315248), (95, 298656), (96, 295545), (102, 278160), (114, 248880), (120, 236436), (122, 232560), (136, 208620), (144, 197030), (152, 186660), (153, 185440), (160, 177327), (170, 166896), (171, 165920), (180, 157624), (183, 155040), (190, 149328), (204, 139080), (228, 124440), (240, 118218), (244, 116280), (255, 111264), (272, 104310), (285, 99552), (288, 98515), (304, 93330), (305, 93024), (306, 92720), (323, 87840), (340, 83448), (342, 82960), (360, 78812), (366, 77520), (380, 74664), (408, 69540), (456, 62220), (480, 59109), (488, 58140), (510, 55632), (544, 52155), (549, 51680), (570, 49776), (608, 46665), (610, 46512), (612, 46360), (646, 43920), (680, 41724), (684, 41480), (720, 39406), (732, 38760), (760, 37332), (765, 37088), (816, 34770), (855, 33184), (912, 31110), (915, 31008), (969, 29280), (976, 29070), (1020, 27816), (1037, 27360), (1098, 25840), (1140, 24888), (1159, 24480), (1220, 23256), (1224, 23180), (1292, 21960), (1360, 20862), (1368, 20740), (1440, 19703), (1464, 19380), (1520, 18666), (1530, 18544), (1615, 17568), (1632, 17385), (1710, 16592), (1824, 15555), (1830, 15504), (1938, 14640), (1952, 14535), (2040, 13908), (2074, 13680), (2196, 12920), (2280, 12444), (2318, 12240), (2440, 11628), (2448, 11590), (2584, 10980), (2720, 10431), (2736, 10370), (2745, 10336), (2907, 9760), (2928, 9690), (3040, 9333), (3060, 9272), (3111, 9120), (3230, 8784), (3420, 8296), (3477, 8160), (3660, 7752), (3876, 7320), (4080, 6954), (4148, 6840), (4392, 6460), (4560, 6222), (4636, 6120), (4845, 5856), (4880, 5814), (4896, 5795), (5168, 5490), (5185, 5472)]