253015875

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 556320960

約数和(自身を除く): 303305085

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 89, 95, 105, 125, 133, 171, 175, 225, 267, 285, 315, 361, 375, 399, 445, 475, 525, 623, 665, 801, 855, 875, 1083, 1125, 1197, 1335, 1425, 1575, 1691, 1805, 1869, 1995, 2225, 2375, 2527, 2625, 3115, 3249, 3325, 4005, 4275, 5073, 5415, 5607, 5985, 6675, 7125, 7581, 7875, 8455, 9025, 9345, 9975, 11125, 11837, 12635, 15219, 15575, 16245, 16625, 20025, 21375, 22743, 25365, 27075, 28035, 29925, 32129, 33375, 35511, 37905, 42275, 45125, 46725, 49875, 59185, 63175, 76095, 77875, 81225, 96387, 100125, 106533, 113715, 126825, 135375, 140175, 149625, 160645, 177555, 189525, 211375, 224903, 233625, 289161, 295925, 315875, 380475, 406125, 481935, 532665, 568575, 634125, 674709, 700875, 803225, 887775, 947625, 1124515, 1445805, 1479625, 1902375, 2024127, 2409675, 2663325, 2842875, 3373545, 4016125, 4438875, 5622575, 7229025, 10120635, 12048375, 13316625, 16867725, 28112875, 36145125, 50603175, 84338625, 253015875]

約数ペア:

[(1, 253015875), (3, 84338625), (5, 50603175), (7, 36145125), (9, 28112875), (15, 16867725), (19, 13316625), (21, 12048375), (25, 10120635), (35, 7229025), (45, 5622575), (57, 4438875), (63, 4016125), (75, 3373545), (89, 2842875), (95, 2663325), (105, 2409675), (125, 2024127), (133, 1902375), (171, 1479625), (175, 1445805), (225, 1124515), (267, 947625), (285, 887775), (315, 803225), (361, 700875), (375, 674709), (399, 634125), (445, 568575), (475, 532665), (525, 481935), (623, 406125), (665, 380475), (801, 315875), (855, 295925), (875, 289161), (1083, 233625), (1125, 224903), (1197, 211375), (1335, 189525), (1425, 177555), (1575, 160645), (1691, 149625), (1805, 140175), (1869, 135375), (1995, 126825), (2225, 113715), (2375, 106533), (2527, 100125), (2625, 96387), (3115, 81225), (3249, 77875), (3325, 76095), (4005, 63175), (4275, 59185), (5073, 49875), (5415, 46725), (5607, 45125), (5985, 42275), (6675, 37905), (7125, 35511), (7581, 33375), (7875, 32129), (8455, 29925), (9025, 28035), (9345, 27075), (9975, 25365), (11125, 22743), (11837, 21375), (12635, 20025), (15219, 16625), (15575, 16245)]