521722240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:964

約数の個数: 128

約数和(自身を含む): 1363168800

約数和(自身を除く): 841446560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 128, 130, 146, 160, 208, 260, 292, 320, 365, 416, 520, 584, 640, 730, 832, 859, 949, 1040, 1168, 1460, 1664, 1718, 1898, 2080, 2336, 2920, 3436, 3796, 4160, 4295, 4672, 4745, 5840, 6872, 7592, 8320, 8590, 9344, 9490, 11167, 11680, 13744, 15184, 17180, 18980, 22334, 23360, 27488, 30368, 34360, 37960, 44668, 46720, 54976, 55835, 60736, 62707, 68720, 75920, 89336, 109952, 111670, 121472, 125414, 137440, 151840, 178672, 223340, 250828, 274880, 303680, 313535, 357344, 446680, 501656, 549760, 607360, 627070, 714688, 815191, 893360, 1003312, 1254140, 1429376, 1630382, 1786720, 2006624, 2508280, 3260764, 3573440, 4013248, 4075955, 5016560, 6521528, 7146880, 8026496, 8151910, 10033120, 13043056, 16303820, 20066240, 26086112, 32607640, 40132480, 52172224, 65215280, 104344448, 130430560, 260861120, 521722240]

約数ペア:

[(1, 521722240), (2, 260861120), (4, 130430560), (5, 104344448), (8, 65215280), (10, 52172224), (13, 40132480), (16, 32607640), (20, 26086112), (26, 20066240), (32, 16303820), (40, 13043056), (52, 10033120), (64, 8151910), (65, 8026496), (73, 7146880), (80, 6521528), (104, 5016560), (128, 4075955), (130, 4013248), (146, 3573440), (160, 3260764), (208, 2508280), (260, 2006624), (292, 1786720), (320, 1630382), (365, 1429376), (416, 1254140), (520, 1003312), (584, 893360), (640, 815191), (730, 714688), (832, 627070), (859, 607360), (949, 549760), (1040, 501656), (1168, 446680), (1460, 357344), (1664, 313535), (1718, 303680), (1898, 274880), (2080, 250828), (2336, 223340), (2920, 178672), (3436, 151840), (3796, 137440), (4160, 125414), (4295, 121472), (4672, 111670), (4745, 109952), (5840, 89336), (6872, 75920), (7592, 68720), (8320, 62707), (8590, 60736), (9344, 55835), (9490, 54976), (11167, 46720), (11680, 44668), (13744, 37960), (15184, 34360), (17180, 30368), (18980, 27488), (22334, 23360)]