81825210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:580

約数の個数: 96

約数和(自身を含む): 226512000

約数和(自身を除く): 144686790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 109, 114, 171, 190, 218, 285, 327, 342, 439, 545, 570, 654, 855, 878, 981, 1090, 1317, 1635, 1710, 1962, 2071, 2195, 2634, 3270, 3951, 4142, 4390, 4905, 6213, 6585, 7902, 8341, 9810, 10355, 12426, 13170, 16682, 18639, 19755, 20710, 25023, 31065, 37278, 39510, 41705, 47851, 50046, 62130, 75069, 83410, 93195, 95702, 125115, 143553, 150138, 186390, 239255, 250230, 287106, 375345, 430659, 478510, 717765, 750690, 861318, 909169, 1435530, 1818338, 2153295, 2727507, 4306590, 4545845, 5455014, 8182521, 9091690, 13637535, 16365042, 27275070, 40912605, 81825210]

約数ペア:

[(1, 81825210), (2, 40912605), (3, 27275070), (5, 16365042), (6, 13637535), (9, 9091690), (10, 8182521), (15, 5455014), (18, 4545845), (19, 4306590), (30, 2727507), (38, 2153295), (45, 1818338), (57, 1435530), (90, 909169), (95, 861318), (109, 750690), (114, 717765), (171, 478510), (190, 430659), (218, 375345), (285, 287106), (327, 250230), (342, 239255), (439, 186390), (545, 150138), (570, 143553), (654, 125115), (855, 95702), (878, 93195), (981, 83410), (1090, 75069), (1317, 62130), (1635, 50046), (1710, 47851), (1962, 41705), (2071, 39510), (2195, 37278), (2634, 31065), (3270, 25023), (3951, 20710), (4142, 19755), (4390, 18639), (4905, 16682), (6213, 13170), (6585, 12426), (7902, 10355), (8341, 9810)]