256780680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{683}}^1$

素因数の和:951

約数の個数: 128

約数和(自身を含む): 834261120

約数和(自身を除く): 577480440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 241, 260, 312, 390, 482, 520, 683, 723, 780, 964, 1205, 1366, 1446, 1560, 1928, 2049, 2410, 2732, 2892, 3133, 3415, 3615, 4098, 4820, 5464, 5784, 6266, 6830, 7230, 8196, 8879, 9399, 9640, 10245, 12532, 13660, 14460, 15665, 16392, 17758, 18798, 20490, 25064, 26637, 27320, 28920, 31330, 35516, 37596, 40980, 44395, 46995, 53274, 62660, 71032, 75192, 81960, 88790, 93990, 106548, 125320, 133185, 164603, 177580, 187980, 213096, 266370, 329206, 355160, 375960, 493809, 532740, 658412, 823015, 987618, 1065480, 1316824, 1646030, 1975236, 2139839, 2469045, 3292060, 3950472, 4279678, 4938090, 6419517, 6584120, 8559356, 9876180, 10699195, 12839034, 17118712, 19752360, 21398390, 25678068, 32097585, 42796780, 51356136, 64195170, 85593560, 128390340, 256780680]

約数ペア:

[(1, 256780680), (2, 128390340), (3, 85593560), (4, 64195170), (5, 51356136), (6, 42796780), (8, 32097585), (10, 25678068), (12, 21398390), (13, 19752360), (15, 17118712), (20, 12839034), (24, 10699195), (26, 9876180), (30, 8559356), (39, 6584120), (40, 6419517), (52, 4938090), (60, 4279678), (65, 3950472), (78, 3292060), (104, 2469045), (120, 2139839), (130, 1975236), (156, 1646030), (195, 1316824), (241, 1065480), (260, 987618), (312, 823015), (390, 658412), (482, 532740), (520, 493809), (683, 375960), (723, 355160), (780, 329206), (964, 266370), (1205, 213096), (1366, 187980), (1446, 177580), (1560, 164603), (1928, 133185), (2049, 125320), (2410, 106548), (2732, 93990), (2892, 88790), (3133, 81960), (3415, 75192), (3615, 71032), (4098, 62660), (4820, 53274), (5464, 46995), (5784, 44395), (6266, 40980), (6830, 37596), (7230, 35516), (8196, 31330), (8879, 28920), (9399, 27320), (9640, 26637), (10245, 25064), (12532, 20490), (13660, 18798), (14460, 17758), (15665, 16392)]