1818041680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6091}}^1$

素因数の和:6165

約数の個数: 160

約数和(自身を含む): 5330158848

約数和(自身を除く): 3512117168

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 80, 82, 91, 104, 112, 130, 140, 164, 182, 205, 208, 260, 280, 287, 328, 364, 410, 455, 520, 533, 560, 574, 656, 728, 820, 910, 1040, 1066, 1148, 1435, 1456, 1640, 1820, 2132, 2296, 2665, 2870, 3280, 3640, 3731, 4264, 4592, 5330, 5740, 6091, 7280, 7462, 8528, 10660, 11480, 12182, 14924, 18655, 21320, 22960, 24364, 29848, 30455, 37310, 42637, 42640, 48728, 59696, 60910, 74620, 79183, 85274, 97456, 121820, 149240, 158366, 170548, 213185, 243640, 249731, 298480, 316732, 341096, 395915, 426370, 487280, 499462, 554281, 633464, 682192, 791830, 852740, 998924, 1108562, 1248655, 1266928, 1583660, 1705480, 1748117, 1997848, 2217124, 2497310, 2771405, 3167320, 3246503, 3410960, 3496234, 3995696, 4434248, 4994620, 5542810, 6334640, 6493006, 6992468, 8740585, 8868496, 9989240, 11085620, 12986012, 13984936, 16232515, 17481170, 19978480, 22171240, 22725521, 25972024, 27969872, 32465030, 34962340, 44342480, 45451042, 51944048, 64930060, 69924680, 90902084, 113627605, 129860120, 139849360, 181804168, 227255210, 259720240, 363608336, 454510420, 909020840, 1818041680]

約数ペア:

[(1, 1818041680), (2, 909020840), (4, 454510420), (5, 363608336), (7, 259720240), (8, 227255210), (10, 181804168), (13, 139849360), (14, 129860120), (16, 113627605), (20, 90902084), (26, 69924680), (28, 64930060), (35, 51944048), (40, 45451042), (41, 44342480), (52, 34962340), (56, 32465030), (65, 27969872), (70, 25972024), (80, 22725521), (82, 22171240), (91, 19978480), (104, 17481170), (112, 16232515), (130, 13984936), (140, 12986012), (164, 11085620), (182, 9989240), (205, 8868496), (208, 8740585), (260, 6992468), (280, 6493006), (287, 6334640), (328, 5542810), (364, 4994620), (410, 4434248), (455, 3995696), (520, 3496234), (533, 3410960), (560, 3246503), (574, 3167320), (656, 2771405), (728, 2497310), (820, 2217124), (910, 1997848), (1040, 1748117), (1066, 1705480), (1148, 1583660), (1435, 1266928), (1456, 1248655), (1640, 1108562), (1820, 998924), (2132, 852740), (2296, 791830), (2665, 682192), (2870, 633464), (3280, 554281), (3640, 499462), (3731, 487280), (4264, 426370), (4592, 395915), (5330, 341096), (5740, 316732), (6091, 298480), (7280, 249731), (7462, 243640), (8528, 213185), (10660, 170548), (11480, 158366), (12182, 149240), (14924, 121820), (18655, 97456), (21320, 85274), (22960, 79183), (24364, 74620), (29848, 60910), (30455, 59696), (37310, 48728), (42637, 42640)]