83491740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 264176640

約数和(自身を除く): 180684900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 71, 90, 94, 139, 141, 142, 180, 188, 213, 235, 278, 282, 284, 355, 417, 423, 426, 470, 556, 564, 639, 695, 705, 710, 834, 846, 852, 940, 1065, 1251, 1278, 1390, 1410, 1420, 1668, 1692, 2085, 2115, 2130, 2502, 2556, 2780, 2820, 3195, 3337, 4170, 4230, 4260, 5004, 6255, 6390, 6533, 6674, 8340, 8460, 9869, 10011, 12510, 12780, 13066, 13348, 16685, 19599, 19738, 20022, 25020, 26132, 29607, 30033, 32665, 33370, 39198, 39476, 40044, 49345, 50055, 58797, 59214, 60066, 65330, 66740, 78396, 88821, 97995, 98690, 100110, 117594, 118428, 120132, 130660, 148035, 150165, 177642, 195990, 197380, 200220, 235188, 293985, 296070, 300330, 355284, 391980, 444105, 463843, 587970, 592140, 600660, 888210, 927686, 1175940, 1391529, 1776420, 1855372, 2319215, 2783058, 4174587, 4638430, 5566116, 6957645, 8349174, 9276860, 13915290, 16698348, 20872935, 27830580, 41745870, 83491740]

約数ペア:

[(1, 83491740), (2, 41745870), (3, 27830580), (4, 20872935), (5, 16698348), (6, 13915290), (9, 9276860), (10, 8349174), (12, 6957645), (15, 5566116), (18, 4638430), (20, 4174587), (30, 2783058), (36, 2319215), (45, 1855372), (47, 1776420), (60, 1391529), (71, 1175940), (90, 927686), (94, 888210), (139, 600660), (141, 592140), (142, 587970), (180, 463843), (188, 444105), (213, 391980), (235, 355284), (278, 300330), (282, 296070), (284, 293985), (355, 235188), (417, 200220), (423, 197380), (426, 195990), (470, 177642), (556, 150165), (564, 148035), (639, 130660), (695, 120132), (705, 118428), (710, 117594), (834, 100110), (846, 98690), (852, 97995), (940, 88821), (1065, 78396), (1251, 66740), (1278, 65330), (1390, 60066), (1410, 59214), (1420, 58797), (1668, 50055), (1692, 49345), (2085, 40044), (2115, 39476), (2130, 39198), (2502, 33370), (2556, 32665), (2780, 30033), (2820, 29607), (3195, 26132), (3337, 25020), (4170, 20022), (4230, 19738), (4260, 19599), (5004, 16685), (6255, 13348), (6390, 13066), (6533, 12780), (6674, 12510), (8340, 10011), (8460, 9869)]