90987960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5701}}^1$

素因数の和:5741

約数の個数: 128

約数和(自身を含む): 328435200

約数和(自身を除く): 237447240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 5701, 7980, 11402, 15960, 17103, 22804, 28505, 34206, 39907, 45608, 57010, 68412, 79814, 85515, 108319, 114020, 119721, 136824, 159628, 171030, 199535, 216638, 228040, 239442, 319256, 324957, 342060, 399070, 433276, 478884, 541595, 598605, 649914, 684120, 758233, 798140, 866552, 957768, 1083190, 1197210, 1299828, 1516466, 1596280, 1624785, 2166380, 2274699, 2394420, 2599656, 3032932, 3249570, 3791165, 4332760, 4549398, 4788840, 6065864, 6499140, 7582330, 9098796, 11373495, 12998280, 15164660, 18197592, 22746990, 30329320, 45493980, 90987960]

約数ペア:

[(1, 90987960), (2, 45493980), (3, 30329320), (4, 22746990), (5, 18197592), (6, 15164660), (7, 12998280), (8, 11373495), (10, 9098796), (12, 7582330), (14, 6499140), (15, 6065864), (19, 4788840), (20, 4549398), (21, 4332760), (24, 3791165), (28, 3249570), (30, 3032932), (35, 2599656), (38, 2394420), (40, 2274699), (42, 2166380), (56, 1624785), (57, 1596280), (60, 1516466), (70, 1299828), (76, 1197210), (84, 1083190), (95, 957768), (105, 866552), (114, 798140), (120, 758233), (133, 684120), (140, 649914), (152, 598605), (168, 541595), (190, 478884), (210, 433276), (228, 399070), (266, 342060), (280, 324957), (285, 319256), (380, 239442), (399, 228040), (420, 216638), (456, 199535), (532, 171030), (570, 159628), (665, 136824), (760, 119721), (798, 114020), (840, 108319), (1064, 85515), (1140, 79814), (1330, 68412), (1596, 57010), (1995, 45608), (2280, 39907), (2660, 34206), (3192, 28505), (3990, 22804), (5320, 17103), (5701, 15960), (7980, 11402)]