989887560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{769}}^1$

素因数の和:1431

約数の個数: 128

約数和(自身を含む): 3153427200

約数和(自身を除く): 2163539640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 631, 680, 769, 1020, 1262, 1538, 1893, 2040, 2307, 2524, 3076, 3155, 3786, 3845, 4614, 5048, 6152, 6310, 7572, 7690, 9228, 9465, 10727, 11535, 12620, 13073, 15144, 15380, 18456, 18930, 21454, 23070, 25240, 26146, 30760, 32181, 37860, 39219, 42908, 46140, 52292, 53635, 64362, 65365, 75720, 78438, 85816, 92280, 104584, 107270, 128724, 130730, 156876, 160905, 196095, 214540, 257448, 261460, 313752, 321810, 392190, 429080, 485239, 522920, 643620, 784380, 970478, 1287240, 1455717, 1568760, 1940956, 2426195, 2911434, 3881912, 4852390, 5822868, 7278585, 8249063, 9704780, 11645736, 14557170, 16498126, 19409560, 24747189, 29114340, 32996252, 41245315, 49494378, 58228680, 65992504, 82490630, 98988756, 123735945, 164981260, 197977512, 247471890, 329962520, 494943780, 989887560]

約数ペア:

[(1, 989887560), (2, 494943780), (3, 329962520), (4, 247471890), (5, 197977512), (6, 164981260), (8, 123735945), (10, 98988756), (12, 82490630), (15, 65992504), (17, 58228680), (20, 49494378), (24, 41245315), (30, 32996252), (34, 29114340), (40, 24747189), (51, 19409560), (60, 16498126), (68, 14557170), (85, 11645736), (102, 9704780), (120, 8249063), (136, 7278585), (170, 5822868), (204, 4852390), (255, 3881912), (340, 2911434), (408, 2426195), (510, 1940956), (631, 1568760), (680, 1455717), (769, 1287240), (1020, 970478), (1262, 784380), (1538, 643620), (1893, 522920), (2040, 485239), (2307, 429080), (2524, 392190), (3076, 321810), (3155, 313752), (3786, 261460), (3845, 257448), (4614, 214540), (5048, 196095), (6152, 160905), (6310, 156876), (7572, 130730), (7690, 128724), (9228, 107270), (9465, 104584), (10727, 92280), (11535, 85816), (12620, 78438), (13073, 75720), (15144, 65365), (15380, 64362), (18456, 53635), (18930, 52292), (21454, 46140), (23070, 42908), (25240, 39219), (26146, 37860), (30760, 32181)]