261669720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2843}}^1$

素因数の和:2929

約数の個数: 128

約数和(自身を含む): 860025600

約数和(自身を除く): 598355880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 65, 78, 104, 118, 120, 130, 156, 177, 195, 236, 260, 295, 312, 354, 390, 472, 520, 590, 708, 767, 780, 885, 1180, 1416, 1534, 1560, 1770, 2301, 2360, 2843, 3068, 3540, 3835, 4602, 5686, 6136, 7080, 7670, 8529, 9204, 11372, 11505, 14215, 15340, 17058, 18408, 22744, 23010, 28430, 30680, 34116, 36959, 42645, 46020, 56860, 68232, 73918, 85290, 92040, 110877, 113720, 147836, 167737, 170580, 184795, 221754, 295672, 335474, 341160, 369590, 443508, 503211, 554385, 670948, 739180, 838685, 887016, 1006422, 1108770, 1341896, 1478360, 1677370, 2012844, 2180581, 2217540, 2516055, 3354740, 4025688, 4361162, 4435080, 5032110, 6541743, 6709480, 8722324, 10064220, 10902905, 13083486, 17444648, 20128440, 21805810, 26166972, 32708715, 43611620, 52333944, 65417430, 87223240, 130834860, 261669720]

約数ペア:

[(1, 261669720), (2, 130834860), (3, 87223240), (4, 65417430), (5, 52333944), (6, 43611620), (8, 32708715), (10, 26166972), (12, 21805810), (13, 20128440), (15, 17444648), (20, 13083486), (24, 10902905), (26, 10064220), (30, 8722324), (39, 6709480), (40, 6541743), (52, 5032110), (59, 4435080), (60, 4361162), (65, 4025688), (78, 3354740), (104, 2516055), (118, 2217540), (120, 2180581), (130, 2012844), (156, 1677370), (177, 1478360), (195, 1341896), (236, 1108770), (260, 1006422), (295, 887016), (312, 838685), (354, 739180), (390, 670948), (472, 554385), (520, 503211), (590, 443508), (708, 369590), (767, 341160), (780, 335474), (885, 295672), (1180, 221754), (1416, 184795), (1534, 170580), (1560, 167737), (1770, 147836), (2301, 113720), (2360, 110877), (2843, 92040), (3068, 85290), (3540, 73918), (3835, 68232), (4602, 56860), (5686, 46020), (6136, 42645), (7080, 36959), (7670, 34116), (8529, 30680), (9204, 28430), (11372, 23010), (11505, 22744), (14215, 18408), (15340, 17058)]