71377280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:428

約数の個数: 128

約数和(自身を含む): 192265920

約数和(自身を除く): 120888640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 260, 299, 320, 368, 373, 416, 460, 520, 598, 640, 736, 746, 832, 920, 1040, 1196, 1472, 1492, 1495, 1664, 1840, 1865, 2080, 2392, 2944, 2984, 2990, 3680, 3730, 4160, 4784, 4849, 5968, 5980, 7360, 7460, 8320, 8579, 9568, 9698, 11936, 11960, 14720, 14920, 17158, 19136, 19396, 23872, 23920, 24245, 29840, 34316, 38272, 38792, 42895, 47744, 47840, 48490, 59680, 68632, 77584, 85790, 95680, 96980, 111527, 119360, 137264, 155168, 171580, 191360, 193960, 223054, 238720, 274528, 310336, 343160, 387920, 446108, 549056, 557635, 620672, 686320, 775840, 892216, 1098112, 1115270, 1372640, 1551680, 1784432, 2230540, 2745280, 3103360, 3568864, 4461080, 5490560, 7137728, 8922160, 14275456, 17844320, 35688640, 71377280]

約数ペア:

[(1, 71377280), (2, 35688640), (4, 17844320), (5, 14275456), (8, 8922160), (10, 7137728), (13, 5490560), (16, 4461080), (20, 3568864), (23, 3103360), (26, 2745280), (32, 2230540), (40, 1784432), (46, 1551680), (52, 1372640), (64, 1115270), (65, 1098112), (80, 892216), (92, 775840), (104, 686320), (115, 620672), (128, 557635), (130, 549056), (160, 446108), (184, 387920), (208, 343160), (230, 310336), (260, 274528), (299, 238720), (320, 223054), (368, 193960), (373, 191360), (416, 171580), (460, 155168), (520, 137264), (598, 119360), (640, 111527), (736, 96980), (746, 95680), (832, 85790), (920, 77584), (1040, 68632), (1196, 59680), (1472, 48490), (1492, 47840), (1495, 47744), (1664, 42895), (1840, 38792), (1865, 38272), (2080, 34316), (2392, 29840), (2944, 24245), (2984, 23920), (2990, 23872), (3680, 19396), (3730, 19136), (4160, 17158), (4784, 14920), (4849, 14720), (5968, 11960), (5980, 11936), (7360, 9698), (7460, 9568), (8320, 8579)]