91287560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 261273600

約数和(自身を除く): 169986040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 809, 868, 910, 1085, 1240, 1612, 1618, 1736, 1820, 2015, 2170, 2821, 3224, 3236, 3640, 4030, 4045, 4340, 5642, 5663, 6472, 8060, 8090, 8680, 10517, 11284, 11326, 14105, 16120, 16180, 21034, 22568, 22652, 25079, 28210, 28315, 32360, 42068, 45304, 50158, 52585, 56420, 56630, 73619, 84136, 100316, 105170, 112840, 113260, 125395, 147238, 175553, 200632, 210340, 226520, 250790, 294476, 326027, 351106, 368095, 420680, 501580, 588952, 652054, 702212, 736190, 877765, 1003160, 1304108, 1404424, 1472380, 1630135, 1755530, 2282189, 2608216, 2944760, 3260270, 3511060, 4564378, 6520540, 7022120, 9128756, 11410945, 13041080, 18257512, 22821890, 45643780, 91287560]

約数ペア:

[(1, 91287560), (2, 45643780), (4, 22821890), (5, 18257512), (7, 13041080), (8, 11410945), (10, 9128756), (13, 7022120), (14, 6520540), (20, 4564378), (26, 3511060), (28, 3260270), (31, 2944760), (35, 2608216), (40, 2282189), (52, 1755530), (56, 1630135), (62, 1472380), (65, 1404424), (70, 1304108), (91, 1003160), (104, 877765), (124, 736190), (130, 702212), (140, 652054), (155, 588952), (182, 501580), (217, 420680), (248, 368095), (260, 351106), (280, 326027), (310, 294476), (364, 250790), (403, 226520), (434, 210340), (455, 200632), (520, 175553), (620, 147238), (728, 125395), (806, 113260), (809, 112840), (868, 105170), (910, 100316), (1085, 84136), (1240, 73619), (1612, 56630), (1618, 56420), (1736, 52585), (1820, 50158), (2015, 45304), (2170, 42068), (2821, 32360), (3224, 28315), (3236, 28210), (3640, 25079), (4030, 22652), (4045, 22568), (4340, 21034), (5642, 16180), (5663, 16120), (6472, 14105), (8060, 11326), (8090, 11284), (8680, 10517)]