2015202475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 2983362624

約数和(自身を除く): 968160149

約数列:

[1, 5, 11, 13, 25, 55, 65, 131, 143, 169, 275, 325, 331, 655, 715, 845, 1441, 1655, 1703, 1859, 3275, 3575, 3641, 4225, 4303, 7205, 8275, 8515, 9295, 18205, 18733, 21515, 22139, 36025, 42575, 43361, 46475, 47333, 55939, 91025, 93665, 107575, 110695, 216805, 236665, 243529, 279695, 468325, 476971, 553475, 563693, 615329, 1084025, 1183325, 1217645, 1398475, 2384855, 2818465, 3076645, 6088225, 6200623, 7328009, 11924275, 14092325, 15383225, 31003115, 36640045, 80608099, 155015575, 183200225, 403040495, 2015202475]

約数ペア:

[(1, 2015202475), (5, 403040495), (11, 183200225), (13, 155015575), (25, 80608099), (55, 36640045), (65, 31003115), (131, 15383225), (143, 14092325), (169, 11924275), (275, 7328009), (325, 6200623), (331, 6088225), (655, 3076645), (715, 2818465), (845, 2384855), (1441, 1398475), (1655, 1217645), (1703, 1183325), (1859, 1084025), (3275, 615329), (3575, 563693), (3641, 553475), (4225, 476971), (4303, 468325), (7205, 279695), (8275, 243529), (8515, 236665), (9295, 216805), (18205, 110695), (18733, 107575), (21515, 93665), (22139, 91025), (36025, 55939), (42575, 47333), (43361, 46475)]