30780990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2693}}^1$

素因数の和:2833

約数の個数: 48

約数和(自身を含む): 80690688

約数和(自身を除く): 49909698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1905, 2286, 2693, 3810, 5386, 5715, 8079, 11430, 13465, 16158, 24237, 26930, 40395, 48474, 80790, 121185, 242370, 342011, 684022, 1026033, 1710055, 2052066, 3078099, 3420110, 5130165, 6156198, 10260330, 15390495, 30780990]

約数ペア:

[(1, 30780990), (2, 15390495), (3, 10260330), (5, 6156198), (6, 5130165), (9, 3420110), (10, 3078099), (15, 2052066), (18, 1710055), (30, 1026033), (45, 684022), (90, 342011), (127, 242370), (254, 121185), (381, 80790), (635, 48474), (762, 40395), (1143, 26930), (1270, 24237), (1905, 16158), (2286, 13465), (2693, 11430), (3810, 8079), (5386, 5715)]