157926400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 132

約数和(自身を含む): 406124800

約数和(自身を除く): 248198400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 199, 200, 248, 256, 310, 320, 398, 400, 496, 512, 620, 640, 775, 796, 800, 992, 995, 1024, 1240, 1280, 1550, 1592, 1600, 1984, 1990, 2480, 2560, 3100, 3184, 3200, 3968, 3980, 4960, 4975, 5120, 6169, 6200, 6368, 6400, 7936, 7960, 9920, 9950, 12338, 12400, 12736, 12800, 15872, 15920, 19840, 19900, 24676, 24800, 25472, 25600, 30845, 31744, 31840, 39680, 39800, 49352, 49600, 50944, 61690, 63680, 79360, 79600, 98704, 99200, 101888, 123380, 127360, 154225, 158720, 159200, 197408, 198400, 203776, 246760, 254720, 308450, 318400, 394816, 396800, 493520, 509440, 616900, 636800, 789632, 793600, 987040, 1018880, 1233800, 1273600, 1579264, 1974080, 2467600, 2547200, 3158528, 3948160, 4935200, 5094400, 6317056, 7896320, 9870400, 15792640, 19740800, 31585280, 39481600, 78963200, 157926400]

約数ペア:

[(1, 157926400), (2, 78963200), (4, 39481600), (5, 31585280), (8, 19740800), (10, 15792640), (16, 9870400), (20, 7896320), (25, 6317056), (31, 5094400), (32, 4935200), (40, 3948160), (50, 3158528), (62, 2547200), (64, 2467600), (80, 1974080), (100, 1579264), (124, 1273600), (128, 1233800), (155, 1018880), (160, 987040), (199, 793600), (200, 789632), (248, 636800), (256, 616900), (310, 509440), (320, 493520), (398, 396800), (400, 394816), (496, 318400), (512, 308450), (620, 254720), (640, 246760), (775, 203776), (796, 198400), (800, 197408), (992, 159200), (995, 158720), (1024, 154225), (1240, 127360), (1280, 123380), (1550, 101888), (1592, 99200), (1600, 98704), (1984, 79600), (1990, 79360), (2480, 63680), (2560, 61690), (3100, 50944), (3184, 49600), (3200, 49352), (3968, 39800), (3980, 39680), (4960, 31840), (4975, 31744), (5120, 30845), (6169, 25600), (6200, 25472), (6368, 24800), (6400, 24676), (7936, 19900), (7960, 19840), (9920, 15920), (9950, 15872), (12338, 12800), (12400, 12736)]