1290909280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:297

約数の個数: 192

約数和(自身を含む): 3375654912

約数和(自身を除く): 2084745632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 68, 74, 80, 85, 101, 127, 136, 148, 160, 170, 185, 202, 254, 272, 296, 340, 370, 404, 505, 508, 544, 592, 629, 635, 680, 740, 808, 1010, 1016, 1184, 1258, 1270, 1360, 1480, 1616, 1717, 2020, 2032, 2159, 2516, 2540, 2720, 2960, 3145, 3232, 3434, 3737, 4040, 4064, 4318, 4699, 5032, 5080, 5920, 6290, 6868, 7474, 8080, 8585, 8636, 9398, 10064, 10160, 10795, 12580, 12827, 13736, 14948, 16160, 17170, 17272, 18685, 18796, 20128, 20320, 21590, 23495, 25160, 25654, 27472, 29896, 34340, 34544, 37370, 37592, 43180, 46990, 50320, 51308, 54944, 59792, 63529, 64135, 68680, 69088, 74740, 75184, 79883, 86360, 93980, 100640, 102616, 119584, 127058, 128270, 137360, 149480, 150368, 159766, 172720, 187960, 205232, 218059, 254116, 256540, 274720, 298960, 317645, 319532, 345440, 375920, 399415, 410464, 436118, 474599, 508232, 513080, 597920, 635290, 639064, 751840, 798830, 872236, 949198, 1016464, 1026160, 1090295, 1270580, 1278128, 1597660, 1744472, 1898396, 2032928, 2052320, 2180590, 2372995, 2541160, 2556256, 3195320, 3488944, 3796792, 4361180, 4745990, 5082320, 6390640, 6977888, 7593584, 8068183, 8722360, 9491980, 10164640, 12781280, 15187168, 16136366, 17444720, 18983960, 32272732, 34889440, 37967920, 40340915, 64545464, 75935840, 80681830, 129090928, 161363660, 258181856, 322727320, 645454640, 1290909280]

約数ペア:

[(1, 1290909280), (2, 645454640), (4, 322727320), (5, 258181856), (8, 161363660), (10, 129090928), (16, 80681830), (17, 75935840), (20, 64545464), (32, 40340915), (34, 37967920), (37, 34889440), (40, 32272732), (68, 18983960), (74, 17444720), (80, 16136366), (85, 15187168), (101, 12781280), (127, 10164640), (136, 9491980), (148, 8722360), (160, 8068183), (170, 7593584), (185, 6977888), (202, 6390640), (254, 5082320), (272, 4745990), (296, 4361180), (340, 3796792), (370, 3488944), (404, 3195320), (505, 2556256), (508, 2541160), (544, 2372995), (592, 2180590), (629, 2052320), (635, 2032928), (680, 1898396), (740, 1744472), (808, 1597660), (1010, 1278128), (1016, 1270580), (1184, 1090295), (1258, 1026160), (1270, 1016464), (1360, 949198), (1480, 872236), (1616, 798830), (1717, 751840), (2020, 639064), (2032, 635290), (2159, 597920), (2516, 513080), (2540, 508232), (2720, 474599), (2960, 436118), (3145, 410464), (3232, 399415), (3434, 375920), (3737, 345440), (4040, 319532), (4064, 317645), (4318, 298960), (4699, 274720), (5032, 256540), (5080, 254116), (5920, 218059), (6290, 205232), (6868, 187960), (7474, 172720), (8080, 159766), (8585, 150368), (8636, 149480), (9398, 137360), (10064, 128270), (10160, 127058), (10795, 119584), (12580, 102616), (12827, 100640), (13736, 93980), (14948, 86360), (16160, 79883), (17170, 75184), (17272, 74740), (18685, 69088), (18796, 68680), (20128, 64135), (20320, 63529), (21590, 59792), (23495, 54944), (25160, 51308), (25654, 50320), (27472, 46990), (29896, 43180), (34340, 37592), (34544, 37370)]