20951624880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{2539}}^1$

素因数の和:2788

約数の個数: 240

約数和(自身を含む): 71808990240

約数和(自身を除く): 50857365360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 157, 180, 219, 240, 292, 314, 360, 365, 438, 471, 584, 628, 657, 720, 730, 785, 876, 942, 1095, 1168, 1256, 1314, 1413, 1460, 1570, 1752, 1884, 2190, 2355, 2512, 2539, 2628, 2826, 2920, 3140, 3285, 3504, 3768, 4380, 4710, 5078, 5256, 5652, 5840, 6280, 6570, 7065, 7536, 7617, 8760, 9420, 10156, 10512, 11304, 11461, 12560, 12695, 13140, 14130, 15234, 17520, 18840, 20312, 22608, 22851, 22922, 25390, 26280, 28260, 30468, 34383, 37680, 38085, 40624, 45702, 45844, 50780, 52560, 56520, 57305, 60936, 68766, 76170, 91404, 91688, 101560, 103149, 113040, 114255, 114610, 121872, 137532, 152340, 171915, 182808, 183376, 185347, 203120, 206298, 228510, 229220, 275064, 304680, 343830, 365616, 370694, 398623, 412596, 457020, 458440, 515745, 550128, 556041, 609360, 687660, 741388, 797246, 825192, 914040, 916880, 926735, 1031490, 1112082, 1195869, 1375320, 1482776, 1594492, 1650384, 1668123, 1828080, 1853470, 1993115, 2062980, 2224164, 2391738, 2750640, 2780205, 2965552, 3188984, 3336246, 3587607, 3706940, 3986230, 4125960, 4448328, 4783476, 5560410, 5979345, 6377968, 6672492, 7175214, 7413880, 7972460, 8251920, 8340615, 8896656, 9566952, 11120820, 11958690, 13344984, 14350428, 14827760, 15944920, 16681230, 17938035, 19133904, 22241640, 23917380, 26689968, 28700856, 29099479, 31889840, 33362460, 35876070, 44483280, 47834760, 57401712, 58198958, 66724920, 71752140, 87298437, 95669520, 116397916, 133449840, 143504280, 145497395, 174596874, 232795832, 261895311, 287008560, 290994790, 349193748, 436492185, 465591664, 523790622, 581989580, 698387496, 872984370, 1047581244, 1163979160, 1309476555, 1396774992, 1745968740, 2095162488, 2327958320, 2618953110, 3491937480, 4190324976, 5237906220, 6983874960, 10475812440, 20951624880]

約数ペア:

[(1, 20951624880), (2, 10475812440), (3, 6983874960), (4, 5237906220), (5, 4190324976), (6, 3491937480), (8, 2618953110), (9, 2327958320), (10, 2095162488), (12, 1745968740), (15, 1396774992), (16, 1309476555), (18, 1163979160), (20, 1047581244), (24, 872984370), (30, 698387496), (36, 581989580), (40, 523790622), (45, 465591664), (48, 436492185), (60, 349193748), (72, 290994790), (73, 287008560), (80, 261895311), (90, 232795832), (120, 174596874), (144, 145497395), (146, 143504280), (157, 133449840), (180, 116397916), (219, 95669520), (240, 87298437), (292, 71752140), (314, 66724920), (360, 58198958), (365, 57401712), (438, 47834760), (471, 44483280), (584, 35876070), (628, 33362460), (657, 31889840), (720, 29099479), (730, 28700856), (785, 26689968), (876, 23917380), (942, 22241640), (1095, 19133904), (1168, 17938035), (1256, 16681230), (1314, 15944920), (1413, 14827760), (1460, 14350428), (1570, 13344984), (1752, 11958690), (1884, 11120820), (2190, 9566952), (2355, 8896656), (2512, 8340615), (2539, 8251920), (2628, 7972460), (2826, 7413880), (2920, 7175214), (3140, 6672492), (3285, 6377968), (3504, 5979345), (3768, 5560410), (4380, 4783476), (4710, 4448328), (5078, 4125960), (5256, 3986230), (5652, 3706940), (5840, 3587607), (6280, 3336246), (6570, 3188984), (7065, 2965552), (7536, 2780205), (7617, 2750640), (8760, 2391738), (9420, 2224164), (10156, 2062980), (10512, 1993115), (11304, 1853470), (11461, 1828080), (12560, 1668123), (12695, 1650384), (13140, 1594492), (14130, 1482776), (15234, 1375320), (17520, 1195869), (18840, 1112082), (20312, 1031490), (22608, 926735), (22851, 916880), (22922, 914040), (25390, 825192), (26280, 797246), (28260, 741388), (30468, 687660), (34383, 609360), (37680, 556041), (38085, 550128), (40624, 515745), (45702, 458440), (45844, 457020), (50780, 412596), (52560, 398623), (56520, 370694), (57305, 365616), (60936, 343830), (68766, 304680), (76170, 275064), (91404, 229220), (91688, 228510), (101560, 206298), (103149, 203120), (113040, 185347), (114255, 183376), (114610, 182808), (121872, 171915), (137532, 152340)]