129316480

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 327444480

約数和(自身を除く): 198128000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 127, 128, 148, 160, 172, 185, 215, 254, 296, 320, 344, 370, 430, 508, 592, 635, 640, 688, 740, 860, 1016, 1184, 1270, 1376, 1480, 1591, 1720, 2032, 2368, 2540, 2752, 2960, 3182, 3440, 4064, 4699, 4736, 5080, 5461, 5504, 5920, 6364, 6880, 7955, 8128, 9398, 10160, 10922, 11840, 12728, 13760, 15910, 16256, 18796, 20320, 21844, 23495, 23680, 25456, 27305, 27520, 31820, 37592, 40640, 43688, 46990, 50912, 54610, 63640, 75184, 81280, 87376, 93980, 101824, 109220, 127280, 150368, 174752, 187960, 202057, 203648, 218440, 254560, 300736, 349504, 375920, 404114, 436880, 509120, 601472, 699008, 751840, 808228, 873760, 1010285, 1018240, 1503680, 1616456, 1747520, 2020570, 3007360, 3232912, 3495040, 4041140, 6465824, 8082280, 12931648, 16164560, 25863296, 32329120, 64658240, 129316480]

約数ペア:

[(1, 129316480), (2, 64658240), (4, 32329120), (5, 25863296), (8, 16164560), (10, 12931648), (16, 8082280), (20, 6465824), (32, 4041140), (37, 3495040), (40, 3232912), (43, 3007360), (64, 2020570), (74, 1747520), (80, 1616456), (86, 1503680), (127, 1018240), (128, 1010285), (148, 873760), (160, 808228), (172, 751840), (185, 699008), (215, 601472), (254, 509120), (296, 436880), (320, 404114), (344, 375920), (370, 349504), (430, 300736), (508, 254560), (592, 218440), (635, 203648), (640, 202057), (688, 187960), (740, 174752), (860, 150368), (1016, 127280), (1184, 109220), (1270, 101824), (1376, 93980), (1480, 87376), (1591, 81280), (1720, 75184), (2032, 63640), (2368, 54610), (2540, 50912), (2752, 46990), (2960, 43688), (3182, 40640), (3440, 37592), (4064, 31820), (4699, 27520), (4736, 27305), (5080, 25456), (5461, 23680), (5504, 23495), (5920, 21844), (6364, 20320), (6880, 18796), (7955, 16256), (8128, 15910), (9398, 13760), (10160, 12728), (10922, 11840)]