728551980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311347}}^1$

素因数の和:311375

約数の個数: 72

約数和(自身を含む): 2379944112

約数和(自身を除く): 1651392132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 311347, 622694, 934041, 1245388, 1556735, 1868082, 2802123, 3113470, 3736164, 4047511, 4670205, 5604246, 6226940, 8095022, 9340410, 11208492, 12142533, 14010615, 16190044, 18680820, 20237555, 24285066, 28021230, 36427599, 40475110, 48570132, 56042460, 60712665, 72855198, 80950220, 121425330, 145710396, 182137995, 242850660, 364275990, 728551980]

約数ペア:

[(1, 728551980), (2, 364275990), (3, 242850660), (4, 182137995), (5, 145710396), (6, 121425330), (9, 80950220), (10, 72855198), (12, 60712665), (13, 56042460), (15, 48570132), (18, 40475110), (20, 36427599), (26, 28021230), (30, 24285066), (36, 20237555), (39, 18680820), (45, 16190044), (52, 14010615), (60, 12142533), (65, 11208492), (78, 9340410), (90, 8095022), (117, 6226940), (130, 5604246), (156, 4670205), (180, 4047511), (195, 3736164), (234, 3113470), (260, 2802123), (390, 1868082), (468, 1556735), (585, 1245388), (780, 934041), (1170, 622694), (2340, 311347)]