66916720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 175863744

約数和(自身を除く): 108947024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 47, 52, 65, 74, 80, 94, 104, 130, 148, 185, 188, 208, 235, 260, 296, 370, 376, 470, 481, 520, 592, 611, 740, 752, 940, 962, 1040, 1222, 1369, 1480, 1739, 1880, 1924, 2405, 2444, 2738, 2960, 3055, 3478, 3760, 3848, 4810, 4888, 5476, 6110, 6845, 6956, 7696, 8695, 9620, 9776, 10952, 12220, 13690, 13912, 17390, 17797, 19240, 21904, 22607, 24440, 27380, 27824, 34780, 35594, 38480, 45214, 48880, 54760, 64343, 69560, 71188, 88985, 90428, 109520, 113035, 128686, 139120, 142376, 177970, 180856, 226070, 257372, 284752, 321715, 355940, 361712, 452140, 514744, 643430, 711880, 836459, 904280, 1029488, 1286860, 1423760, 1672918, 1808560, 2573720, 3345836, 4182295, 5147440, 6691672, 8364590, 13383344, 16729180, 33458360, 66916720]

約数ペア:

[(1, 66916720), (2, 33458360), (4, 16729180), (5, 13383344), (8, 8364590), (10, 6691672), (13, 5147440), (16, 4182295), (20, 3345836), (26, 2573720), (37, 1808560), (40, 1672918), (47, 1423760), (52, 1286860), (65, 1029488), (74, 904280), (80, 836459), (94, 711880), (104, 643430), (130, 514744), (148, 452140), (185, 361712), (188, 355940), (208, 321715), (235, 284752), (260, 257372), (296, 226070), (370, 180856), (376, 177970), (470, 142376), (481, 139120), (520, 128686), (592, 113035), (611, 109520), (740, 90428), (752, 88985), (940, 71188), (962, 69560), (1040, 64343), (1222, 54760), (1369, 48880), (1480, 45214), (1739, 38480), (1880, 35594), (1924, 34780), (2405, 27824), (2444, 27380), (2738, 24440), (2960, 22607), (3055, 21904), (3478, 19240), (3760, 17797), (3848, 17390), (4810, 13912), (4888, 13690), (5476, 12220), (6110, 10952), (6845, 9776), (6956, 9620), (7696, 8695)]