1285516260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1439}}^1$

素因数の和:2170

約数の個数: 144

約数和(自身を含む): 4465843200

約数和(自身を除く): 3180326940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 709, 1260, 1418, 1439, 2127, 2836, 2878, 3545, 4254, 4317, 4963, 5756, 6381, 7090, 7195, 8508, 8634, 9926, 10073, 10635, 12762, 12951, 14180, 14390, 14889, 17268, 19852, 20146, 21270, 21585, 24815, 25524, 25902, 28780, 29778, 30219, 31905, 40292, 42540, 43170, 44667, 49630, 50365, 51804, 59556, 60438, 63810, 64755, 74445, 86340, 89334, 90657, 99260, 100730, 120876, 127620, 129510, 148890, 151095, 178668, 181314, 201460, 223335, 259020, 297780, 302190, 362628, 446670, 453285, 604380, 893340, 906570, 1020251, 1813140, 2040502, 3060753, 4081004, 5101255, 6121506, 7141757, 9182259, 10202510, 12243012, 14283514, 15303765, 18364518, 20405020, 21425271, 28567028, 30607530, 35708785, 36729036, 42850542, 45911295, 61215060, 64275813, 71417570, 85701084, 91822590, 107126355, 128551626, 142835140, 183645180, 214252710, 257103252, 321379065, 428505420, 642758130, 1285516260]

約数ペア:

[(1, 1285516260), (2, 642758130), (3, 428505420), (4, 321379065), (5, 257103252), (6, 214252710), (7, 183645180), (9, 142835140), (10, 128551626), (12, 107126355), (14, 91822590), (15, 85701084), (18, 71417570), (20, 64275813), (21, 61215060), (28, 45911295), (30, 42850542), (35, 36729036), (36, 35708785), (42, 30607530), (45, 28567028), (60, 21425271), (63, 20405020), (70, 18364518), (84, 15303765), (90, 14283514), (105, 12243012), (126, 10202510), (140, 9182259), (180, 7141757), (210, 6121506), (252, 5101255), (315, 4081004), (420, 3060753), (630, 2040502), (709, 1813140), (1260, 1020251), (1418, 906570), (1439, 893340), (2127, 604380), (2836, 453285), (2878, 446670), (3545, 362628), (4254, 302190), (4317, 297780), (4963, 259020), (5756, 223335), (6381, 201460), (7090, 181314), (7195, 178668), (8508, 151095), (8634, 148890), (9926, 129510), (10073, 127620), (10635, 120876), (12762, 100730), (12951, 99260), (14180, 90657), (14390, 89334), (14889, 86340), (17268, 74445), (19852, 64755), (20146, 63810), (21270, 60438), (21585, 59556), (24815, 51804), (25524, 50365), (25902, 49630), (28780, 44667), (29778, 43170), (30219, 42540), (31905, 40292)]