681169600

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:435

約数の個数: 168

約数和(自身を含む): 1802831040

約数和(自身を除く): 1121661440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 79, 80, 85, 100, 136, 158, 160, 170, 200, 272, 316, 317, 320, 340, 395, 400, 425, 544, 632, 634, 680, 790, 800, 850, 1088, 1264, 1268, 1343, 1360, 1580, 1585, 1600, 1700, 1975, 2528, 2536, 2686, 2720, 3160, 3170, 3400, 3950, 5056, 5072, 5372, 5389, 5440, 6320, 6340, 6715, 6800, 7900, 7925, 10144, 10744, 10778, 12640, 12680, 13430, 13600, 15800, 15850, 20288, 21488, 21556, 25043, 25280, 25360, 26860, 26945, 27200, 31600, 31700, 33575, 42976, 43112, 50086, 50720, 53720, 53890, 63200, 63400, 67150, 85952, 86224, 100172, 101440, 107440, 107780, 125215, 126400, 126800, 134300, 134725, 172448, 200344, 214880, 215560, 250430, 253600, 268600, 269450, 344896, 400688, 425731, 429760, 431120, 500860, 507200, 537200, 538900, 626075, 801376, 851462, 862240, 1001720, 1074400, 1077800, 1252150, 1602752, 1702924, 1724480, 2003440, 2128655, 2148800, 2155600, 2504300, 3405848, 4006880, 4257310, 4311200, 5008600, 6811696, 8013760, 8514620, 8622400, 10017200, 10643275, 13623392, 17029240, 20034400, 21286550, 27246784, 34058480, 40068800, 42573100, 68116960, 85146200, 136233920, 170292400, 340584800, 681169600]

約数ペア:

[(1, 681169600), (2, 340584800), (4, 170292400), (5, 136233920), (8, 85146200), (10, 68116960), (16, 42573100), (17, 40068800), (20, 34058480), (25, 27246784), (32, 21286550), (34, 20034400), (40, 17029240), (50, 13623392), (64, 10643275), (68, 10017200), (79, 8622400), (80, 8514620), (85, 8013760), (100, 6811696), (136, 5008600), (158, 4311200), (160, 4257310), (170, 4006880), (200, 3405848), (272, 2504300), (316, 2155600), (317, 2148800), (320, 2128655), (340, 2003440), (395, 1724480), (400, 1702924), (425, 1602752), (544, 1252150), (632, 1077800), (634, 1074400), (680, 1001720), (790, 862240), (800, 851462), (850, 801376), (1088, 626075), (1264, 538900), (1268, 537200), (1343, 507200), (1360, 500860), (1580, 431120), (1585, 429760), (1600, 425731), (1700, 400688), (1975, 344896), (2528, 269450), (2536, 268600), (2686, 253600), (2720, 250430), (3160, 215560), (3170, 214880), (3400, 200344), (3950, 172448), (5056, 134725), (5072, 134300), (5372, 126800), (5389, 126400), (5440, 125215), (6320, 107780), (6340, 107440), (6715, 101440), (6800, 100172), (7900, 86224), (7925, 85952), (10144, 67150), (10744, 63400), (10778, 63200), (12640, 53890), (12680, 53720), (13430, 50720), (13600, 50086), (15800, 43112), (15850, 42976), (20288, 33575), (21488, 31700), (21556, 31600), (25043, 27200), (25280, 26945), (25360, 26860)]