28050660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 96026112

約数和(自身を除く): 67975452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 457, 465, 495, 558, 620, 660, 682, 914, 930, 990, 1023, 1116, 1364, 1371, 1395, 1705, 1828, 1860, 1980, 2046, 2285, 2742, 2790, 3069, 3410, 4092, 4113, 4570, 5027, 5115, 5484, 5580, 6138, 6820, 6855, 8226, 9140, 10054, 10230, 12276, 13710, 14167, 15081, 15345, 16452, 20108, 20460, 20565, 25135, 27420, 28334, 30162, 30690, 41130, 42501, 45243, 50270, 56668, 60324, 61380, 70835, 75405, 82260, 85002, 90486, 100540, 127503, 141670, 150810, 155837, 170004, 180972, 212505, 226215, 255006, 283340, 301620, 311674, 425010, 452430, 467511, 510012, 623348, 637515, 779185, 850020, 904860, 935022, 1275030, 1402533, 1558370, 1870044, 2337555, 2550060, 2805066, 3116740, 4675110, 5610132, 7012665, 9350220, 14025330, 28050660]

約数ペア:

[(1, 28050660), (2, 14025330), (3, 9350220), (4, 7012665), (5, 5610132), (6, 4675110), (9, 3116740), (10, 2805066), (11, 2550060), (12, 2337555), (15, 1870044), (18, 1558370), (20, 1402533), (22, 1275030), (30, 935022), (31, 904860), (33, 850020), (36, 779185), (44, 637515), (45, 623348), (55, 510012), (60, 467511), (62, 452430), (66, 425010), (90, 311674), (93, 301620), (99, 283340), (110, 255006), (124, 226215), (132, 212505), (155, 180972), (165, 170004), (180, 155837), (186, 150810), (198, 141670), (220, 127503), (279, 100540), (310, 90486), (330, 85002), (341, 82260), (372, 75405), (396, 70835), (457, 61380), (465, 60324), (495, 56668), (558, 50270), (620, 45243), (660, 42501), (682, 41130), (914, 30690), (930, 30162), (990, 28334), (1023, 27420), (1116, 25135), (1364, 20565), (1371, 20460), (1395, 20108), (1705, 16452), (1828, 15345), (1860, 15081), (1980, 14167), (2046, 13710), (2285, 12276), (2742, 10230), (2790, 10054), (3069, 9140), (3410, 8226), (4092, 6855), (4113, 6820), (4570, 6138), (5027, 5580), (5115, 5484)]