64390140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13249}}^1$

素因数の和:13273

約数の個数: 72

約数和(自身を含む): 202566000

約数和(自身を除く): 138175860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 13249, 26498, 39747, 52996, 66245, 79494, 119241, 132490, 158988, 198735, 238482, 264980, 357723, 397470, 476964, 596205, 715446, 794940, 1073169, 1192410, 1430892, 1788615, 2146338, 2384820, 3219507, 3577230, 4292676, 5365845, 6439014, 7154460, 10731690, 12878028, 16097535, 21463380, 32195070, 64390140]

約数ペア:

[(1, 64390140), (2, 32195070), (3, 21463380), (4, 16097535), (5, 12878028), (6, 10731690), (9, 7154460), (10, 6439014), (12, 5365845), (15, 4292676), (18, 3577230), (20, 3219507), (27, 2384820), (30, 2146338), (36, 1788615), (45, 1430892), (54, 1192410), (60, 1073169), (81, 794940), (90, 715446), (108, 596205), (135, 476964), (162, 397470), (180, 357723), (243, 264980), (270, 238482), (324, 198735), (405, 158988), (486, 132490), (540, 119241), (810, 79494), (972, 66245), (1215, 52996), (1620, 39747), (2430, 26498), (4860, 13249)]