2531289375

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:403

約数の個数: 120

約数和(自身を含む): 4903655328

約数和(自身を除く): 2372365953

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 103, 125, 153, 225, 255, 257, 309, 375, 425, 515, 625, 765, 771, 927, 1125, 1275, 1285, 1545, 1751, 1875, 2125, 2313, 2575, 3825, 3855, 4369, 4635, 5253, 5625, 6375, 6425, 7725, 8755, 10625, 11565, 12875, 13107, 15759, 19125, 19275, 21845, 23175, 26265, 26471, 31875, 32125, 38625, 39321, 43775, 57825, 64375, 65535, 78795, 79413, 95625, 96375, 109225, 115875, 131325, 132355, 160625, 193125, 196605, 218875, 238239, 289125, 327675, 393975, 397065, 450007, 481875, 546125, 579375, 656625, 661775, 983025, 1094375, 1191195, 1350021, 1445625, 1638375, 1969875, 1985325, 2250035, 2730625, 3283125, 3308875, 4050063, 4915125, 5955975, 6750105, 8191875, 9849375, 9926625, 11250175, 16544375, 20250315, 24575625, 29779875, 33750525, 49633125, 56250875, 101251575, 148899375, 168752625, 281254375, 506257875, 843763125, 2531289375]

約数ペア:

[(1, 2531289375), (3, 843763125), (5, 506257875), (9, 281254375), (15, 168752625), (17, 148899375), (25, 101251575), (45, 56250875), (51, 49633125), (75, 33750525), (85, 29779875), (103, 24575625), (125, 20250315), (153, 16544375), (225, 11250175), (255, 9926625), (257, 9849375), (309, 8191875), (375, 6750105), (425, 5955975), (515, 4915125), (625, 4050063), (765, 3308875), (771, 3283125), (927, 2730625), (1125, 2250035), (1275, 1985325), (1285, 1969875), (1545, 1638375), (1751, 1445625), (1875, 1350021), (2125, 1191195), (2313, 1094375), (2575, 983025), (3825, 661775), (3855, 656625), (4369, 579375), (4635, 546125), (5253, 481875), (5625, 450007), (6375, 397065), (6425, 393975), (7725, 327675), (8755, 289125), (10625, 238239), (11565, 218875), (12875, 196605), (13107, 193125), (15759, 160625), (19125, 132355), (19275, 131325), (21845, 115875), (23175, 109225), (26265, 96375), (26471, 95625), (31875, 79413), (32125, 78795), (38625, 65535), (39321, 64375), (43775, 57825)]