28861620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 85155840

約数和(自身を除く): 56294220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 59, 60, 62, 93, 118, 124, 155, 177, 186, 236, 263, 295, 310, 354, 372, 465, 526, 590, 620, 708, 789, 885, 930, 1052, 1180, 1315, 1578, 1770, 1829, 1860, 2630, 3156, 3540, 3658, 3945, 5260, 5487, 7316, 7890, 8153, 9145, 10974, 15517, 15780, 16306, 18290, 21948, 24459, 27435, 31034, 32612, 36580, 40765, 46551, 48918, 54870, 62068, 77585, 81530, 93102, 97836, 109740, 122295, 155170, 163060, 186204, 232755, 244590, 310340, 465510, 481027, 489180, 931020, 962054, 1443081, 1924108, 2405135, 2886162, 4810270, 5772324, 7215405, 9620540, 14430810, 28861620]

約数ペア:

[(1, 28861620), (2, 14430810), (3, 9620540), (4, 7215405), (5, 5772324), (6, 4810270), (10, 2886162), (12, 2405135), (15, 1924108), (20, 1443081), (30, 962054), (31, 931020), (59, 489180), (60, 481027), (62, 465510), (93, 310340), (118, 244590), (124, 232755), (155, 186204), (177, 163060), (186, 155170), (236, 122295), (263, 109740), (295, 97836), (310, 93102), (354, 81530), (372, 77585), (465, 62068), (526, 54870), (590, 48918), (620, 46551), (708, 40765), (789, 36580), (885, 32612), (930, 31034), (1052, 27435), (1180, 24459), (1315, 21948), (1578, 18290), (1770, 16306), (1829, 15780), (1860, 15517), (2630, 10974), (3156, 9145), (3540, 8153), (3658, 7890), (3945, 7316), (5260, 5487)]