72209540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:118

約数の個数: 108

約数和(自身を含む): 179252388

約数和(自身を除く): 107042848

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 155, 170, 221, 260, 289, 310, 340, 403, 442, 527, 578, 620, 806, 884, 961, 1054, 1105, 1156, 1445, 1612, 1922, 2015, 2108, 2210, 2635, 2890, 3757, 3844, 4030, 4420, 4805, 5270, 5780, 6851, 7514, 8060, 8959, 9610, 10540, 12493, 13702, 15028, 16337, 17918, 18785, 19220, 24986, 27404, 32674, 34255, 35836, 37570, 44795, 49972, 62465, 65348, 68510, 75140, 81685, 89590, 116467, 124930, 137020, 163370, 179180, 212381, 232934, 249860, 277729, 326740, 424762, 465868, 555458, 582335, 849524, 1061905, 1110916, 1164670, 1388645, 2123810, 2329340, 2777290, 3610477, 4247620, 5554580, 7220954, 14441908, 18052385, 36104770, 72209540]

約数ペア:

[(1, 72209540), (2, 36104770), (4, 18052385), (5, 14441908), (10, 7220954), (13, 5554580), (17, 4247620), (20, 3610477), (26, 2777290), (31, 2329340), (34, 2123810), (52, 1388645), (62, 1164670), (65, 1110916), (68, 1061905), (85, 849524), (124, 582335), (130, 555458), (155, 465868), (170, 424762), (221, 326740), (260, 277729), (289, 249860), (310, 232934), (340, 212381), (403, 179180), (442, 163370), (527, 137020), (578, 124930), (620, 116467), (806, 89590), (884, 81685), (961, 75140), (1054, 68510), (1105, 65348), (1156, 62465), (1445, 49972), (1612, 44795), (1922, 37570), (2015, 35836), (2108, 34255), (2210, 32674), (2635, 27404), (2890, 24986), (3757, 19220), (3844, 18785), (4030, 17918), (4420, 16337), (4805, 15028), (5270, 13702), (5780, 12493), (6851, 10540), (7514, 9610), (8060, 8959)]