90245960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 246896640

約数和(自身を除く): 156650680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 248, 259, 280, 281, 296, 310, 370, 434, 518, 562, 620, 740, 868, 1036, 1085, 1124, 1147, 1240, 1295, 1405, 1480, 1736, 1967, 2072, 2170, 2248, 2294, 2590, 2810, 3934, 4340, 4588, 5180, 5620, 5735, 7868, 8029, 8680, 8711, 9176, 9835, 10360, 10397, 11240, 11470, 15736, 16058, 17422, 19670, 20794, 22940, 32116, 34844, 39340, 40145, 41588, 43555, 45880, 51985, 60977, 64232, 69688, 72779, 78680, 80290, 83176, 87110, 103970, 121954, 145558, 160580, 174220, 207940, 243908, 291116, 304885, 321160, 322307, 348440, 363895, 415880, 487816, 582232, 609770, 644614, 727790, 1219540, 1289228, 1455580, 1611535, 2256149, 2439080, 2578456, 2911160, 3223070, 4512298, 6446140, 9024596, 11280745, 12892280, 18049192, 22561490, 45122980, 90245960]

約数ペア:

[(1, 90245960), (2, 45122980), (4, 22561490), (5, 18049192), (7, 12892280), (8, 11280745), (10, 9024596), (14, 6446140), (20, 4512298), (28, 3223070), (31, 2911160), (35, 2578456), (37, 2439080), (40, 2256149), (56, 1611535), (62, 1455580), (70, 1289228), (74, 1219540), (124, 727790), (140, 644614), (148, 609770), (155, 582232), (185, 487816), (217, 415880), (248, 363895), (259, 348440), (280, 322307), (281, 321160), (296, 304885), (310, 291116), (370, 243908), (434, 207940), (518, 174220), (562, 160580), (620, 145558), (740, 121954), (868, 103970), (1036, 87110), (1085, 83176), (1124, 80290), (1147, 78680), (1240, 72779), (1295, 69688), (1405, 64232), (1480, 60977), (1736, 51985), (1967, 45880), (2072, 43555), (2170, 41588), (2248, 40145), (2294, 39340), (2590, 34844), (2810, 32116), (3934, 22940), (4340, 20794), (4588, 19670), (5180, 17422), (5620, 16058), (5735, 15736), (7868, 11470), (8029, 11240), (8680, 10397), (8711, 10360), (9176, 9835)]