70023780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 221981760

約数和(自身を除く): 151957980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 83, 86, 90, 109, 129, 166, 172, 180, 215, 218, 249, 258, 327, 332, 387, 415, 430, 436, 498, 516, 545, 645, 654, 747, 774, 830, 860, 981, 996, 1090, 1245, 1290, 1308, 1494, 1548, 1635, 1660, 1935, 1962, 2180, 2490, 2580, 2988, 3270, 3569, 3735, 3870, 3924, 4687, 4905, 4980, 6540, 7138, 7470, 7740, 9047, 9374, 9810, 10707, 14061, 14276, 14940, 17845, 18094, 18748, 19620, 21414, 23435, 27141, 28122, 32121, 35690, 36188, 42183, 42828, 45235, 46870, 53535, 54282, 56244, 64242, 70305, 71380, 81423, 84366, 90470, 93740, 107070, 108564, 128484, 135705, 140610, 160605, 162846, 168732, 180940, 210915, 214140, 271410, 281220, 321210, 325692, 389021, 407115, 421830, 542820, 642420, 778042, 814230, 843660, 1167063, 1556084, 1628460, 1945105, 2334126, 3501189, 3890210, 4668252, 5835315, 7002378, 7780420, 11670630, 14004756, 17505945, 23341260, 35011890, 70023780]

約数ペア:

[(1, 70023780), (2, 35011890), (3, 23341260), (4, 17505945), (5, 14004756), (6, 11670630), (9, 7780420), (10, 7002378), (12, 5835315), (15, 4668252), (18, 3890210), (20, 3501189), (30, 2334126), (36, 1945105), (43, 1628460), (45, 1556084), (60, 1167063), (83, 843660), (86, 814230), (90, 778042), (109, 642420), (129, 542820), (166, 421830), (172, 407115), (180, 389021), (215, 325692), (218, 321210), (249, 281220), (258, 271410), (327, 214140), (332, 210915), (387, 180940), (415, 168732), (430, 162846), (436, 160605), (498, 140610), (516, 135705), (545, 128484), (645, 108564), (654, 107070), (747, 93740), (774, 90470), (830, 84366), (860, 81423), (981, 71380), (996, 70305), (1090, 64242), (1245, 56244), (1290, 54282), (1308, 53535), (1494, 46870), (1548, 45235), (1635, 42828), (1660, 42183), (1935, 36188), (1962, 35690), (2180, 32121), (2490, 28122), (2580, 27141), (2988, 23435), (3270, 21414), (3569, 19620), (3735, 18748), (3870, 18094), (3924, 17845), (4687, 14940), (4905, 14276), (4980, 14061), (6540, 10707), (7138, 9810), (7470, 9374), (7740, 9047)]