156965038180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{487}}^1\times {\mathrm{55763}}^1$

素因数の和:56293

約数の個数: 72

約数和(自身を含む): 350882255808

約数和(自身を除く): 193917217628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 487, 578, 974, 1156, 1445, 1948, 2435, 2890, 4870, 5780, 8279, 9740, 16558, 33116, 41395, 55763, 82790, 111526, 140743, 165580, 223052, 278815, 281486, 557630, 562972, 703715, 947971, 1115260, 1407430, 1895942, 2814860, 3791884, 4739855, 9479710, 16115507, 18959420, 27156581, 32231014, 54313162, 64462028, 80577535, 108626324, 135782905, 161155070, 271565810, 322310140, 461661877, 543131620, 923323754, 1846647508, 2308309385, 4616618770, 7848251909, 9233237540, 15696503818, 31393007636, 39241259545, 78482519090, 156965038180]

約数ペア:

[(1, 156965038180), (2, 78482519090), (4, 39241259545), (5, 31393007636), (10, 15696503818), (17, 9233237540), (20, 7848251909), (34, 4616618770), (68, 2308309385), (85, 1846647508), (170, 923323754), (289, 543131620), (340, 461661877), (487, 322310140), (578, 271565810), (974, 161155070), (1156, 135782905), (1445, 108626324), (1948, 80577535), (2435, 64462028), (2890, 54313162), (4870, 32231014), (5780, 27156581), (8279, 18959420), (9740, 16115507), (16558, 9479710), (33116, 4739855), (41395, 3791884), (55763, 2814860), (82790, 1895942), (111526, 1407430), (140743, 1115260), (165580, 947971), (223052, 703715), (278815, 562972), (281486, 557630)]