65732720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 160302240

約数和(自身を除く): 94569520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 53, 74, 80, 106, 148, 185, 212, 265, 296, 370, 419, 424, 530, 592, 740, 838, 848, 1060, 1480, 1676, 1961, 2095, 2120, 2960, 3352, 3922, 4190, 4240, 6704, 7844, 8380, 9805, 15503, 15688, 16760, 19610, 22207, 31006, 31376, 33520, 39220, 44414, 62012, 77515, 78440, 88828, 111035, 124024, 155030, 156880, 177656, 222070, 248048, 310060, 355312, 444140, 620120, 821659, 888280, 1240240, 1643318, 1776560, 3286636, 4108295, 6573272, 8216590, 13146544, 16433180, 32866360, 65732720]

約数ペア:

[(1, 65732720), (2, 32866360), (4, 16433180), (5, 13146544), (8, 8216590), (10, 6573272), (16, 4108295), (20, 3286636), (37, 1776560), (40, 1643318), (53, 1240240), (74, 888280), (80, 821659), (106, 620120), (148, 444140), (185, 355312), (212, 310060), (265, 248048), (296, 222070), (370, 177656), (419, 156880), (424, 155030), (530, 124024), (592, 111035), (740, 88828), (838, 78440), (848, 77515), (1060, 62012), (1480, 44414), (1676, 39220), (1961, 33520), (2095, 31376), (2120, 31006), (2960, 22207), (3352, 19610), (3922, 16760), (4190, 15688), (4240, 15503), (6704, 9805), (7844, 8380)]