90178740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 285981696

約数和(自身を除く): 195802956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 61, 86, 90, 122, 129, 172, 180, 183, 191, 215, 244, 258, 305, 366, 382, 387, 430, 516, 549, 573, 610, 645, 732, 764, 774, 860, 915, 955, 1098, 1146, 1220, 1290, 1548, 1719, 1830, 1910, 1935, 2196, 2292, 2580, 2623, 2745, 2865, 3438, 3660, 3820, 3870, 5246, 5490, 5730, 6876, 7740, 7869, 8213, 8595, 10492, 10980, 11460, 11651, 13115, 15738, 16426, 17190, 23302, 23607, 24639, 26230, 31476, 32852, 34380, 34953, 39345, 41065, 46604, 47214, 49278, 52460, 58255, 69906, 73917, 78690, 82130, 94428, 98556, 104859, 116510, 118035, 123195, 139812, 147834, 157380, 164260, 174765, 209718, 233020, 236070, 246390, 295668, 349530, 369585, 419436, 472140, 492780, 500993, 524295, 699060, 739170, 1001986, 1048590, 1478340, 1502979, 2003972, 2097180, 2504965, 3005958, 4508937, 5009930, 6011916, 7514895, 9017874, 10019860, 15029790, 18035748, 22544685, 30059580, 45089370, 90178740]

約数ペア:

[(1, 90178740), (2, 45089370), (3, 30059580), (4, 22544685), (5, 18035748), (6, 15029790), (9, 10019860), (10, 9017874), (12, 7514895), (15, 6011916), (18, 5009930), (20, 4508937), (30, 3005958), (36, 2504965), (43, 2097180), (45, 2003972), (60, 1502979), (61, 1478340), (86, 1048590), (90, 1001986), (122, 739170), (129, 699060), (172, 524295), (180, 500993), (183, 492780), (191, 472140), (215, 419436), (244, 369585), (258, 349530), (305, 295668), (366, 246390), (382, 236070), (387, 233020), (430, 209718), (516, 174765), (549, 164260), (573, 157380), (610, 147834), (645, 139812), (732, 123195), (764, 118035), (774, 116510), (860, 104859), (915, 98556), (955, 94428), (1098, 82130), (1146, 78690), (1220, 73917), (1290, 69906), (1548, 58255), (1719, 52460), (1830, 49278), (1910, 47214), (1935, 46604), (2196, 41065), (2292, 39345), (2580, 34953), (2623, 34380), (2745, 32852), (2865, 31476), (3438, 26230), (3660, 24639), (3820, 23607), (3870, 23302), (5246, 17190), (5490, 16426), (5730, 15738), (6876, 13115), (7740, 11651), (7869, 11460), (8213, 10980), (8595, 10492)]