281486790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{240587}}^1$

素因数の和:240613

約数の個数: 48

約数和(自身を含む): 788166288

約数和(自身を除く): 506679498

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 240587, 481174, 721761, 1202935, 1443522, 2165283, 2405870, 3127631, 3608805, 4330566, 6255262, 7217610, 9382893, 10826415, 15638155, 18765786, 21652830, 28148679, 31276310, 46914465, 56297358, 93828930, 140743395, 281486790]

約数ペア:

[(1, 281486790), (2, 140743395), (3, 93828930), (5, 56297358), (6, 46914465), (9, 31276310), (10, 28148679), (13, 21652830), (15, 18765786), (18, 15638155), (26, 10826415), (30, 9382893), (39, 7217610), (45, 6255262), (65, 4330566), (78, 3608805), (90, 3127631), (117, 2405870), (130, 2165283), (195, 1443522), (234, 1202935), (390, 721761), (585, 481174), (1170, 240587)]