28176540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1011

約数の個数: 96

約数和(自身を含む): 91499520

約数和(自身を除く): 63322980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 919, 1022, 1095, 1460, 1533, 1838, 2044, 2190, 2555, 2757, 3066, 3676, 4380, 4595, 5110, 5514, 6132, 6433, 7665, 9190, 10220, 11028, 12866, 13785, 15330, 18380, 19299, 25732, 27570, 30660, 32165, 38598, 55140, 64330, 67087, 77196, 96495, 128660, 134174, 192990, 201261, 268348, 335435, 385980, 402522, 469609, 670870, 805044, 939218, 1006305, 1341740, 1408827, 1878436, 2012610, 2348045, 2817654, 4025220, 4696090, 5635308, 7044135, 9392180, 14088270, 28176540]

約数ペア:

[(1, 28176540), (2, 14088270), (3, 9392180), (4, 7044135), (5, 5635308), (6, 4696090), (7, 4025220), (10, 2817654), (12, 2348045), (14, 2012610), (15, 1878436), (20, 1408827), (21, 1341740), (28, 1006305), (30, 939218), (35, 805044), (42, 670870), (60, 469609), (70, 402522), (73, 385980), (84, 335435), (105, 268348), (140, 201261), (146, 192990), (210, 134174), (219, 128660), (292, 96495), (365, 77196), (420, 67087), (438, 64330), (511, 55140), (730, 38598), (876, 32165), (919, 30660), (1022, 27570), (1095, 25732), (1460, 19299), (1533, 18380), (1838, 15330), (2044, 13785), (2190, 12866), (2555, 11028), (2757, 10220), (3066, 9190), (3676, 7665), (4380, 6433), (4595, 6132), (5110, 5514)]