6421240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 18662400

約数和(自身を除く): 12241160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 71, 76, 85, 95, 119, 133, 136, 140, 142, 152, 170, 190, 238, 266, 280, 284, 323, 340, 355, 380, 476, 497, 532, 568, 595, 646, 665, 680, 710, 760, 952, 994, 1064, 1190, 1207, 1292, 1330, 1349, 1420, 1615, 1988, 2261, 2380, 2414, 2485, 2584, 2660, 2698, 2840, 3230, 3976, 4522, 4760, 4828, 4970, 5320, 5396, 6035, 6460, 6745, 8449, 9044, 9443, 9656, 9940, 10792, 11305, 12070, 12920, 13490, 16898, 18088, 18886, 19880, 22610, 22933, 24140, 26980, 33796, 37772, 42245, 45220, 45866, 47215, 48280, 53960, 67592, 75544, 84490, 90440, 91732, 94430, 114665, 160531, 168980, 183464, 188860, 229330, 321062, 337960, 377720, 458660, 642124, 802655, 917320, 1284248, 1605310, 3210620, 6421240]

約数ペア:

[(1, 6421240), (2, 3210620), (4, 1605310), (5, 1284248), (7, 917320), (8, 802655), (10, 642124), (14, 458660), (17, 377720), (19, 337960), (20, 321062), (28, 229330), (34, 188860), (35, 183464), (38, 168980), (40, 160531), (56, 114665), (68, 94430), (70, 91732), (71, 90440), (76, 84490), (85, 75544), (95, 67592), (119, 53960), (133, 48280), (136, 47215), (140, 45866), (142, 45220), (152, 42245), (170, 37772), (190, 33796), (238, 26980), (266, 24140), (280, 22933), (284, 22610), (323, 19880), (340, 18886), (355, 18088), (380, 16898), (476, 13490), (497, 12920), (532, 12070), (568, 11305), (595, 10792), (646, 9940), (665, 9656), (680, 9443), (710, 9044), (760, 8449), (952, 6745), (994, 6460), (1064, 6035), (1190, 5396), (1207, 5320), (1292, 4970), (1330, 4828), (1349, 4760), (1420, 4522), (1615, 3976), (1988, 3230), (2261, 2840), (2380, 2698), (2414, 2660), (2485, 2584)]