1221020480

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:536

約数の個数: 112

約数和(自身を含む): 2969117760

約数和(自身を除く): 1748097280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 139, 160, 194, 278, 283, 320, 388, 485, 556, 566, 695, 776, 970, 1112, 1132, 1390, 1415, 1552, 1940, 2224, 2264, 2780, 2830, 3104, 3880, 4448, 4528, 5560, 5660, 6208, 7760, 8896, 9056, 11120, 11320, 13483, 15520, 18112, 22240, 22640, 26966, 27451, 31040, 39337, 44480, 45280, 53932, 54902, 67415, 78674, 90560, 107864, 109804, 134830, 137255, 157348, 196685, 215728, 219608, 269660, 274510, 314696, 393370, 431456, 439216, 539320, 549020, 629392, 786740, 862912, 878432, 1078640, 1098040, 1258784, 1573480, 1756864, 2157280, 2196080, 2517568, 3146960, 3815689, 4314560, 4392160, 6293920, 7631378, 8784320, 12587840, 15262756, 19078445, 30525512, 38156890, 61051024, 76313780, 122102048, 152627560, 244204096, 305255120, 610510240, 1221020480]

約数ペア:

[(1, 1221020480), (2, 610510240), (4, 305255120), (5, 244204096), (8, 152627560), (10, 122102048), (16, 76313780), (20, 61051024), (32, 38156890), (40, 30525512), (64, 19078445), (80, 15262756), (97, 12587840), (139, 8784320), (160, 7631378), (194, 6293920), (278, 4392160), (283, 4314560), (320, 3815689), (388, 3146960), (485, 2517568), (556, 2196080), (566, 2157280), (695, 1756864), (776, 1573480), (970, 1258784), (1112, 1098040), (1132, 1078640), (1390, 878432), (1415, 862912), (1552, 786740), (1940, 629392), (2224, 549020), (2264, 539320), (2780, 439216), (2830, 431456), (3104, 393370), (3880, 314696), (4448, 274510), (4528, 269660), (5560, 219608), (5660, 215728), (6208, 196685), (7760, 157348), (8896, 137255), (9056, 134830), (11120, 109804), (11320, 107864), (13483, 90560), (15520, 78674), (18112, 67415), (22240, 54902), (22640, 53932), (26966, 45280), (27451, 44480), (31040, 39337)]