252516640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 653571072

約数和(自身を除く): 401054432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 68, 80, 85, 86, 127, 136, 160, 170, 172, 215, 254, 272, 289, 340, 344, 430, 508, 544, 578, 635, 680, 688, 731, 860, 1016, 1156, 1270, 1360, 1376, 1445, 1462, 1720, 2032, 2159, 2312, 2540, 2720, 2890, 2924, 3440, 3655, 4064, 4318, 4624, 5080, 5461, 5780, 5848, 6880, 7310, 8636, 9248, 10160, 10795, 10922, 11560, 11696, 12427, 14620, 17272, 20320, 21590, 21844, 23120, 23392, 24854, 27305, 29240, 34544, 36703, 43180, 43688, 46240, 49708, 54610, 58480, 62135, 69088, 73406, 86360, 87376, 92837, 99416, 109220, 116960, 124270, 146812, 172720, 174752, 183515, 185674, 198832, 218440, 248540, 293624, 345440, 367030, 371348, 397664, 436880, 464185, 497080, 587248, 734060, 742696, 873760, 928370, 994160, 1174496, 1468120, 1485392, 1578229, 1856740, 1988320, 2936240, 2970784, 3156458, 3713480, 5872480, 6312916, 7426960, 7891145, 12625832, 14853920, 15782290, 25251664, 31564580, 50503328, 63129160, 126258320, 252516640]

約数ペア:

[(1, 252516640), (2, 126258320), (4, 63129160), (5, 50503328), (8, 31564580), (10, 25251664), (16, 15782290), (17, 14853920), (20, 12625832), (32, 7891145), (34, 7426960), (40, 6312916), (43, 5872480), (68, 3713480), (80, 3156458), (85, 2970784), (86, 2936240), (127, 1988320), (136, 1856740), (160, 1578229), (170, 1485392), (172, 1468120), (215, 1174496), (254, 994160), (272, 928370), (289, 873760), (340, 742696), (344, 734060), (430, 587248), (508, 497080), (544, 464185), (578, 436880), (635, 397664), (680, 371348), (688, 367030), (731, 345440), (860, 293624), (1016, 248540), (1156, 218440), (1270, 198832), (1360, 185674), (1376, 183515), (1445, 174752), (1462, 172720), (1720, 146812), (2032, 124270), (2159, 116960), (2312, 109220), (2540, 99416), (2720, 92837), (2890, 87376), (2924, 86360), (3440, 73406), (3655, 69088), (4064, 62135), (4318, 58480), (4624, 54610), (5080, 49708), (5461, 46240), (5780, 43688), (5848, 43180), (6880, 36703), (7310, 34544), (8636, 29240), (9248, 27305), (10160, 24854), (10795, 23392), (10922, 23120), (11560, 21844), (11696, 21590), (12427, 20320), (14620, 17272)]