72043125

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 149952000

約数和(自身を除く): 77908875

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 125, 165, 175, 231, 275, 375, 385, 499, 525, 625, 825, 875, 1155, 1375, 1497, 1875, 1925, 2495, 2625, 3493, 4125, 4375, 5489, 5775, 6875, 7485, 9625, 10479, 12475, 13125, 16467, 17465, 20625, 27445, 28875, 37425, 38423, 48125, 52395, 62375, 82335, 87325, 115269, 137225, 144375, 187125, 192115, 261975, 311875, 411675, 436625, 576345, 686125, 935625, 960575, 1309875, 2058375, 2183125, 2881725, 3430625, 4802875, 6549375, 10291875, 14408625, 24014375, 72043125]

約数ペア:

[(1, 72043125), (3, 24014375), (5, 14408625), (7, 10291875), (11, 6549375), (15, 4802875), (21, 3430625), (25, 2881725), (33, 2183125), (35, 2058375), (55, 1309875), (75, 960575), (77, 935625), (105, 686125), (125, 576345), (165, 436625), (175, 411675), (231, 311875), (275, 261975), (375, 192115), (385, 187125), (499, 144375), (525, 137225), (625, 115269), (825, 87325), (875, 82335), (1155, 62375), (1375, 52395), (1497, 48125), (1875, 38423), (1925, 37425), (2495, 28875), (2625, 27445), (3493, 20625), (4125, 17465), (4375, 16467), (5489, 13125), (5775, 12475), (6875, 10479), (7485, 9625)]