664226775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3469}}^1$

素因数の和:3545

約数の個数: 72

約数和(自身を含む): 1275349920

約数和(自身を除く): 611123145

約数列:

[1, 3, 5, 9, 15, 23, 25, 37, 45, 69, 75, 111, 115, 185, 207, 225, 333, 345, 555, 575, 851, 925, 1035, 1665, 1725, 2553, 2775, 3469, 4255, 5175, 7659, 8325, 10407, 12765, 17345, 21275, 31221, 38295, 52035, 63825, 79787, 86725, 128353, 156105, 191475, 239361, 260175, 385059, 398935, 641765, 718083, 780525, 1155177, 1196805, 1925295, 1994675, 2952119, 3208825, 3590415, 5775885, 5984025, 8856357, 9626475, 14760595, 17952075, 26569071, 28879425, 44281785, 73802975, 132845355, 221408925, 664226775]

約数ペア:

[(1, 664226775), (3, 221408925), (5, 132845355), (9, 73802975), (15, 44281785), (23, 28879425), (25, 26569071), (37, 17952075), (45, 14760595), (69, 9626475), (75, 8856357), (111, 5984025), (115, 5775885), (185, 3590415), (207, 3208825), (225, 2952119), (333, 1994675), (345, 1925295), (555, 1196805), (575, 1155177), (851, 780525), (925, 718083), (1035, 641765), (1665, 398935), (1725, 385059), (2553, 260175), (2775, 239361), (3469, 191475), (4255, 156105), (5175, 128353), (7659, 86725), (8325, 79787), (10407, 63825), (12765, 52035), (17345, 38295), (21275, 31221)]