15721160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 44384760

約数和(自身を除く): 28663600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 617, 637, 728, 910, 980, 1234, 1274, 1820, 1960, 2468, 2548, 3085, 3185, 3640, 4319, 4936, 5096, 6170, 6370, 8021, 8638, 12340, 12740, 16042, 17276, 21595, 24680, 25480, 30233, 32084, 34552, 40105, 43190, 56147, 60466, 64168, 80210, 86380, 112294, 120932, 151165, 160420, 172760, 224588, 241864, 280735, 302330, 320840, 393029, 449176, 561470, 604660, 786058, 1122940, 1209320, 1572116, 1965145, 2245880, 3144232, 3930290, 7860580, 15721160]

約数ペア:

[(1, 15721160), (2, 7860580), (4, 3930290), (5, 3144232), (7, 2245880), (8, 1965145), (10, 1572116), (13, 1209320), (14, 1122940), (20, 786058), (26, 604660), (28, 561470), (35, 449176), (40, 393029), (49, 320840), (52, 302330), (56, 280735), (65, 241864), (70, 224588), (91, 172760), (98, 160420), (104, 151165), (130, 120932), (140, 112294), (182, 86380), (196, 80210), (245, 64168), (260, 60466), (280, 56147), (364, 43190), (392, 40105), (455, 34552), (490, 32084), (520, 30233), (617, 25480), (637, 24680), (728, 21595), (910, 17276), (980, 16042), (1234, 12740), (1274, 12340), (1820, 8638), (1960, 8021), (2468, 6370), (2548, 6170), (3085, 5096), (3185, 4936), (3640, 4319)]