128315200

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 168

約数和(自身を含む): 352755200

約数和(自身を除く): 224440000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 130, 155, 160, 199, 200, 208, 248, 260, 310, 320, 325, 398, 400, 403, 416, 496, 520, 620, 650, 775, 796, 800, 806, 832, 992, 995, 1040, 1240, 1300, 1550, 1592, 1600, 1612, 1984, 1990, 2015, 2080, 2480, 2587, 2600, 3100, 3184, 3224, 3980, 4030, 4160, 4960, 4975, 5174, 5200, 6169, 6200, 6368, 6448, 7960, 8060, 9920, 9950, 10075, 10348, 10400, 12338, 12400, 12736, 12896, 12935, 15920, 16120, 19900, 20150, 20696, 20800, 24676, 24800, 25792, 25870, 30845, 31840, 32240, 39800, 40300, 41392, 49352, 49600, 51740, 61690, 63680, 64480, 64675, 79600, 80197, 80600, 82784, 98704, 103480, 123380, 128960, 129350, 154225, 159200, 160394, 161200, 165568, 197408, 206960, 246760, 258700, 308450, 318400, 320788, 322400, 394816, 400985, 413920, 493520, 517400, 616900, 641576, 644800, 801970, 827840, 987040, 1034800, 1233800, 1283152, 1603940, 1974080, 2004925, 2069600, 2467600, 2566304, 3207880, 4009850, 4139200, 4935200, 5132608, 6415760, 8019700, 9870400, 12831520, 16039400, 25663040, 32078800, 64157600, 128315200]

約数ペア:

[(1, 128315200), (2, 64157600), (4, 32078800), (5, 25663040), (8, 16039400), (10, 12831520), (13, 9870400), (16, 8019700), (20, 6415760), (25, 5132608), (26, 4935200), (31, 4139200), (32, 4009850), (40, 3207880), (50, 2566304), (52, 2467600), (62, 2069600), (64, 2004925), (65, 1974080), (80, 1603940), (100, 1283152), (104, 1233800), (124, 1034800), (130, 987040), (155, 827840), (160, 801970), (199, 644800), (200, 641576), (208, 616900), (248, 517400), (260, 493520), (310, 413920), (320, 400985), (325, 394816), (398, 322400), (400, 320788), (403, 318400), (416, 308450), (496, 258700), (520, 246760), (620, 206960), (650, 197408), (775, 165568), (796, 161200), (800, 160394), (806, 159200), (832, 154225), (992, 129350), (995, 128960), (1040, 123380), (1240, 103480), (1300, 98704), (1550, 82784), (1592, 80600), (1600, 80197), (1612, 79600), (1984, 64675), (1990, 64480), (2015, 63680), (2080, 61690), (2480, 51740), (2587, 49600), (2600, 49352), (3100, 41392), (3184, 40300), (3224, 39800), (3980, 32240), (4030, 31840), (4160, 30845), (4960, 25870), (4975, 25792), (5174, 24800), (5200, 24676), (6169, 20800), (6200, 20696), (6368, 20150), (6448, 19900), (7960, 16120), (8060, 15920), (9920, 12935), (9950, 12896), (10075, 12736), (10348, 12400), (10400, 12338)]