253343625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 470920320

約数和(自身を除く): 217576695

約数列:

[1, 3, 5, 15, 19, 25, 31, 37, 57, 75, 93, 95, 111, 125, 155, 185, 285, 375, 465, 475, 555, 589, 703, 775, 925, 961, 1147, 1425, 1767, 2109, 2325, 2375, 2775, 2883, 2945, 3441, 3515, 3875, 4625, 4805, 5735, 7125, 8835, 10545, 11625, 13875, 14415, 14725, 17205, 17575, 18259, 21793, 24025, 28675, 35557, 44175, 52725, 54777, 65379, 72075, 73625, 86025, 87875, 91295, 106671, 108965, 120125, 143375, 177785, 220875, 263625, 273885, 326895, 360375, 430125, 456475, 533355, 544825, 675583, 888925, 1369425, 1634475, 2026749, 2282375, 2666775, 2724125, 3377915, 4444625, 6847125, 8172375, 10133745, 13333875, 16889575, 50668725, 84447875, 253343625]

約数ペア:

[(1, 253343625), (3, 84447875), (5, 50668725), (15, 16889575), (19, 13333875), (25, 10133745), (31, 8172375), (37, 6847125), (57, 4444625), (75, 3377915), (93, 2724125), (95, 2666775), (111, 2282375), (125, 2026749), (155, 1634475), (185, 1369425), (285, 888925), (375, 675583), (465, 544825), (475, 533355), (555, 456475), (589, 430125), (703, 360375), (775, 326895), (925, 273885), (961, 263625), (1147, 220875), (1425, 177785), (1767, 143375), (2109, 120125), (2325, 108965), (2375, 106671), (2775, 91295), (2883, 87875), (2945, 86025), (3441, 73625), (3515, 72075), (3875, 65379), (4625, 54777), (4805, 52725), (5735, 44175), (7125, 35557), (8835, 28675), (10545, 24025), (11625, 21793), (13875, 18259), (14415, 17575), (14725, 17205)]