491798280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5261}}^1$

素因数の和:5335

約数の個数: 128

約数和(自身を含む): 1591228800

約数和(自身を除く): 1099430520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 95, 114, 120, 123, 152, 164, 190, 205, 228, 246, 285, 328, 380, 410, 456, 492, 570, 615, 760, 779, 820, 984, 1140, 1230, 1558, 1640, 2280, 2337, 2460, 3116, 3895, 4674, 4920, 5261, 6232, 7790, 9348, 10522, 11685, 15580, 15783, 18696, 21044, 23370, 26305, 31160, 31566, 42088, 46740, 52610, 63132, 78915, 93480, 99959, 105220, 126264, 157830, 199918, 210440, 215701, 299877, 315660, 399836, 431402, 499795, 599754, 631320, 647103, 799672, 862804, 999590, 1078505, 1199508, 1294206, 1499385, 1725608, 1999180, 2157010, 2399016, 2588412, 2998770, 3235515, 3998360, 4098319, 4314020, 5176824, 5997540, 6471030, 8196638, 8628040, 11995080, 12294957, 12942060, 16393276, 20491595, 24589914, 25884120, 32786552, 40983190, 49179828, 61474785, 81966380, 98359656, 122949570, 163932760, 245899140, 491798280]

約数ペア:

[(1, 491798280), (2, 245899140), (3, 163932760), (4, 122949570), (5, 98359656), (6, 81966380), (8, 61474785), (10, 49179828), (12, 40983190), (15, 32786552), (19, 25884120), (20, 24589914), (24, 20491595), (30, 16393276), (38, 12942060), (40, 12294957), (41, 11995080), (57, 8628040), (60, 8196638), (76, 6471030), (82, 5997540), (95, 5176824), (114, 4314020), (120, 4098319), (123, 3998360), (152, 3235515), (164, 2998770), (190, 2588412), (205, 2399016), (228, 2157010), (246, 1999180), (285, 1725608), (328, 1499385), (380, 1294206), (410, 1199508), (456, 1078505), (492, 999590), (570, 862804), (615, 799672), (760, 647103), (779, 631320), (820, 599754), (984, 499795), (1140, 431402), (1230, 399836), (1558, 315660), (1640, 299877), (2280, 215701), (2337, 210440), (2460, 199918), (3116, 157830), (3895, 126264), (4674, 105220), (4920, 99959), (5261, 93480), (6232, 78915), (7790, 63132), (9348, 52610), (10522, 46740), (11685, 42088), (15580, 31566), (15783, 31160), (18696, 26305), (21044, 23370)]