1280956518

素因数分解:

$2^1\times 3^8\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 3083618304

約数和(自身を除く): 1802661786

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 47, 54, 62, 67, 81, 93, 94, 134, 141, 162, 186, 201, 243, 279, 282, 402, 423, 486, 558, 603, 729, 837, 846, 1206, 1269, 1457, 1458, 1674, 1809, 2077, 2187, 2511, 2538, 2914, 3149, 3618, 3807, 4154, 4371, 4374, 5022, 5427, 6231, 6298, 6561, 7533, 7614, 8742, 9447, 10854, 11421, 12462, 13113, 13122, 15066, 16281, 18693, 18894, 22599, 22842, 26226, 28341, 32562, 34263, 37386, 39339, 45198, 48843, 56079, 56682, 67797, 68526, 78678, 85023, 97619, 97686, 102789, 112158, 118017, 135594, 146529, 168237, 170046, 195238, 203391, 205578, 236034, 255069, 292857, 293058, 308367, 336474, 354051, 406782, 439587, 504711, 510138, 585714, 616734, 708102, 765207, 878571, 879174, 1009422, 1062153, 1514133, 1530414, 1757142, 2124306, 2295621, 2635713, 3028266, 3186459, 4542399, 4591242, 5271426, 6372918, 6886863, 7907139, 9084798, 9559377, 13627197, 13773726, 15814278, 19118754, 20660589, 23721417, 27254394, 41321178, 47442834, 71164251, 142328502, 213492753, 426985506, 640478259, 1280956518]

約数ペア:

[(1, 1280956518), (2, 640478259), (3, 426985506), (6, 213492753), (9, 142328502), (18, 71164251), (27, 47442834), (31, 41321178), (47, 27254394), (54, 23721417), (62, 20660589), (67, 19118754), (81, 15814278), (93, 13773726), (94, 13627197), (134, 9559377), (141, 9084798), (162, 7907139), (186, 6886863), (201, 6372918), (243, 5271426), (279, 4591242), (282, 4542399), (402, 3186459), (423, 3028266), (486, 2635713), (558, 2295621), (603, 2124306), (729, 1757142), (837, 1530414), (846, 1514133), (1206, 1062153), (1269, 1009422), (1457, 879174), (1458, 878571), (1674, 765207), (1809, 708102), (2077, 616734), (2187, 585714), (2511, 510138), (2538, 504711), (2914, 439587), (3149, 406782), (3618, 354051), (3807, 336474), (4154, 308367), (4371, 293058), (4374, 292857), (5022, 255069), (5427, 236034), (6231, 205578), (6298, 203391), (6561, 195238), (7533, 170046), (7614, 168237), (8742, 146529), (9447, 135594), (10854, 118017), (11421, 112158), (12462, 102789), (13113, 97686), (13122, 97619), (15066, 85023), (16281, 78678), (18693, 68526), (18894, 67797), (22599, 56682), (22842, 56079), (26226, 48843), (28341, 45198), (32562, 39339), (34263, 37386)]