64742475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 126658560

約数和(自身を除く): 61916085

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 79, 105, 147, 175, 223, 237, 245, 395, 525, 553, 669, 735, 1115, 1185, 1225, 1561, 1659, 1975, 2765, 3345, 3675, 3871, 4683, 5575, 5925, 7805, 8295, 10927, 11613, 13825, 16725, 17617, 19355, 23415, 32781, 39025, 41475, 52851, 54635, 58065, 88085, 96775, 117075, 123319, 163905, 264255, 273175, 290325, 369957, 440425, 616595, 819525, 863233, 1321275, 1849785, 2589699, 3082975, 4316165, 9248925, 12948495, 21580825, 64742475]

約数ペア:

[(1, 64742475), (3, 21580825), (5, 12948495), (7, 9248925), (15, 4316165), (21, 3082975), (25, 2589699), (35, 1849785), (49, 1321275), (75, 863233), (79, 819525), (105, 616595), (147, 440425), (175, 369957), (223, 290325), (237, 273175), (245, 264255), (395, 163905), (525, 123319), (553, 117075), (669, 96775), (735, 88085), (1115, 58065), (1185, 54635), (1225, 52851), (1561, 41475), (1659, 39025), (1975, 32781), (2765, 23415), (3345, 19355), (3675, 17617), (3871, 16725), (4683, 13825), (5575, 11613), (5925, 10927), (7805, 8295)]