248466560

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:634

約数の個数: 128

約数和(自身を含む): 645427440

約数和(自身を除く): 396960880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 205, 272, 320, 328, 340, 410, 544, 557, 640, 656, 680, 697, 820, 1088, 1114, 1312, 1360, 1394, 1640, 2176, 2228, 2624, 2720, 2785, 2788, 3280, 3485, 4456, 5248, 5440, 5570, 5576, 6560, 6970, 8912, 9469, 10880, 11140, 11152, 13120, 13940, 17824, 18938, 22280, 22304, 22837, 26240, 27880, 35648, 37876, 44560, 44608, 45674, 47345, 55760, 71296, 75752, 89120, 89216, 91348, 94690, 111520, 114185, 151504, 178240, 182696, 189380, 223040, 228370, 303008, 356480, 365392, 378760, 388229, 446080, 456740, 606016, 730784, 757520, 776458, 913480, 1212032, 1461568, 1515040, 1552916, 1826960, 1941145, 2923136, 3030080, 3105832, 3653920, 3882290, 6060160, 6211664, 7307840, 7764580, 12423328, 14615680, 15529160, 24846656, 31058320, 49693312, 62116640, 124233280, 248466560]

約数ペア:

[(1, 248466560), (2, 124233280), (4, 62116640), (5, 49693312), (8, 31058320), (10, 24846656), (16, 15529160), (17, 14615680), (20, 12423328), (32, 7764580), (34, 7307840), (40, 6211664), (41, 6060160), (64, 3882290), (68, 3653920), (80, 3105832), (82, 3030080), (85, 2923136), (128, 1941145), (136, 1826960), (160, 1552916), (164, 1515040), (170, 1461568), (205, 1212032), (272, 913480), (320, 776458), (328, 757520), (340, 730784), (410, 606016), (544, 456740), (557, 446080), (640, 388229), (656, 378760), (680, 365392), (697, 356480), (820, 303008), (1088, 228370), (1114, 223040), (1312, 189380), (1360, 182696), (1394, 178240), (1640, 151504), (2176, 114185), (2228, 111520), (2624, 94690), (2720, 91348), (2785, 89216), (2788, 89120), (3280, 75752), (3485, 71296), (4456, 55760), (5248, 47345), (5440, 45674), (5570, 44608), (5576, 44560), (6560, 37876), (6970, 35648), (8912, 27880), (9469, 26240), (10880, 22837), (11140, 22304), (11152, 22280), (13120, 18938), (13940, 17824)]