12519990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 40334112

約数和(自身を除く): 27814122

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 49, 51, 63, 70, 85, 90, 98, 102, 105, 119, 126, 147, 153, 167, 170, 210, 238, 245, 255, 294, 306, 315, 334, 357, 441, 490, 501, 510, 595, 630, 714, 735, 765, 833, 835, 882, 1002, 1071, 1169, 1190, 1470, 1503, 1530, 1666, 1670, 1785, 2142, 2205, 2338, 2499, 2505, 2839, 3006, 3507, 3570, 4165, 4410, 4998, 5010, 5355, 5678, 5845, 7014, 7497, 7515, 8183, 8330, 8517, 10521, 10710, 11690, 12495, 14195, 14994, 15030, 16366, 17034, 17535, 19873, 21042, 24549, 24990, 25551, 28390, 35070, 37485, 39746, 40915, 42585, 49098, 51102, 52605, 59619, 73647, 74970, 81830, 85170, 99365, 105210, 119238, 122745, 127755, 139111, 147294, 178857, 198730, 245490, 255510, 278222, 298095, 357714, 368235, 417333, 596190, 695555, 736470, 834666, 894285, 1251999, 1391110, 1788570, 2086665, 2503998, 4173330, 6259995, 12519990]

約数ペア:

[(1, 12519990), (2, 6259995), (3, 4173330), (5, 2503998), (6, 2086665), (7, 1788570), (9, 1391110), (10, 1251999), (14, 894285), (15, 834666), (17, 736470), (18, 695555), (21, 596190), (30, 417333), (34, 368235), (35, 357714), (42, 298095), (45, 278222), (49, 255510), (51, 245490), (63, 198730), (70, 178857), (85, 147294), (90, 139111), (98, 127755), (102, 122745), (105, 119238), (119, 105210), (126, 99365), (147, 85170), (153, 81830), (167, 74970), (170, 73647), (210, 59619), (238, 52605), (245, 51102), (255, 49098), (294, 42585), (306, 40915), (315, 39746), (334, 37485), (357, 35070), (441, 28390), (490, 25551), (501, 24990), (510, 24549), (595, 21042), (630, 19873), (714, 17535), (735, 17034), (765, 16366), (833, 15030), (835, 14994), (882, 14195), (1002, 12495), (1071, 11690), (1169, 10710), (1190, 10521), (1470, 8517), (1503, 8330), (1530, 8183), (1666, 7515), (1670, 7497), (1785, 7014), (2142, 5845), (2205, 5678), (2338, 5355), (2499, 5010), (2505, 4998), (2839, 4410), (3006, 4165), (3507, 3570)]