78138180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{14969}}^1$

素因数の和:15013

約数の個数: 72

約数和(自身を含む): 245208600

約数和(自身を除く): 167070420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 14969, 29938, 44907, 59876, 74845, 89814, 134721, 149690, 179628, 224535, 269442, 299380, 434101, 449070, 538884, 673605, 868202, 898140, 1302303, 1347210, 1736404, 2170505, 2604606, 2694420, 3906909, 4341010, 5209212, 6511515, 7813818, 8682020, 13023030, 15627636, 19534545, 26046060, 39069090, 78138180]

約数ペア:

[(1, 78138180), (2, 39069090), (3, 26046060), (4, 19534545), (5, 15627636), (6, 13023030), (9, 8682020), (10, 7813818), (12, 6511515), (15, 5209212), (18, 4341010), (20, 3906909), (29, 2694420), (30, 2604606), (36, 2170505), (45, 1736404), (58, 1347210), (60, 1302303), (87, 898140), (90, 868202), (116, 673605), (145, 538884), (174, 449070), (180, 434101), (261, 299380), (290, 269442), (348, 224535), (435, 179628), (522, 149690), (580, 134721), (870, 89814), (1044, 74845), (1305, 59876), (1740, 44907), (2610, 29938), (5220, 14969)]