28503540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{937}}^1$

素因数の和:978

約数の個数: 108

約数和(自身を含む): 93723084

約数和(自身を除く): 65219544

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 937, 1014, 1170, 1521, 1690, 1874, 2028, 2340, 2535, 2811, 3042, 3380, 3748, 4685, 5070, 5622, 6084, 7605, 8433, 9370, 10140, 11244, 12181, 14055, 15210, 16866, 18740, 24362, 28110, 30420, 33732, 36543, 42165, 48724, 56220, 60905, 73086, 84330, 109629, 121810, 146172, 158353, 168660, 182715, 219258, 243620, 316706, 365430, 438516, 475059, 548145, 633412, 730860, 791765, 950118, 1096290, 1425177, 1583530, 1900236, 2192580, 2375295, 2850354, 3167060, 4750590, 5700708, 7125885, 9501180, 14251770, 28503540]

約数ペア:

[(1, 28503540), (2, 14251770), (3, 9501180), (4, 7125885), (5, 5700708), (6, 4750590), (9, 3167060), (10, 2850354), (12, 2375295), (13, 2192580), (15, 1900236), (18, 1583530), (20, 1425177), (26, 1096290), (30, 950118), (36, 791765), (39, 730860), (45, 633412), (52, 548145), (60, 475059), (65, 438516), (78, 365430), (90, 316706), (117, 243620), (130, 219258), (156, 182715), (169, 168660), (180, 158353), (195, 146172), (234, 121810), (260, 109629), (338, 84330), (390, 73086), (468, 60905), (507, 56220), (585, 48724), (676, 42165), (780, 36543), (845, 33732), (937, 30420), (1014, 28110), (1170, 24362), (1521, 18740), (1690, 16866), (1874, 15210), (2028, 14055), (2340, 12181), (2535, 11244), (2811, 10140), (3042, 9370), (3380, 8433), (3748, 7605), (4685, 6084), (5070, 5622)]