129913600

素因数分解:

$2^8\times 5^2\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:462

約数の個数: 108

約数和(自身を含む): 328478976

約数和(自身を除く): 198565376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 128, 160, 200, 212, 256, 265, 320, 383, 400, 424, 530, 640, 766, 800, 848, 1060, 1280, 1325, 1532, 1600, 1696, 1915, 2120, 2650, 3064, 3200, 3392, 3830, 4240, 5300, 6128, 6400, 6784, 7660, 8480, 9575, 10600, 12256, 13568, 15320, 16960, 19150, 20299, 21200, 24512, 30640, 33920, 38300, 40598, 42400, 49024, 61280, 67840, 76600, 81196, 84800, 98048, 101495, 122560, 153200, 162392, 169600, 202990, 245120, 306400, 324784, 339200, 405980, 490240, 507475, 612800, 649568, 811960, 1014950, 1225600, 1299136, 1623920, 2029900, 2451200, 2598272, 3247840, 4059800, 5196544, 6495680, 8119600, 12991360, 16239200, 25982720, 32478400, 64956800, 129913600]

約数ペア:

[(1, 129913600), (2, 64956800), (4, 32478400), (5, 25982720), (8, 16239200), (10, 12991360), (16, 8119600), (20, 6495680), (25, 5196544), (32, 4059800), (40, 3247840), (50, 2598272), (53, 2451200), (64, 2029900), (80, 1623920), (100, 1299136), (106, 1225600), (128, 1014950), (160, 811960), (200, 649568), (212, 612800), (256, 507475), (265, 490240), (320, 405980), (383, 339200), (400, 324784), (424, 306400), (530, 245120), (640, 202990), (766, 169600), (800, 162392), (848, 153200), (1060, 122560), (1280, 101495), (1325, 98048), (1532, 84800), (1600, 81196), (1696, 76600), (1915, 67840), (2120, 61280), (2650, 49024), (3064, 42400), (3200, 40598), (3392, 38300), (3830, 33920), (4240, 30640), (5300, 24512), (6128, 21200), (6400, 20299), (6784, 19150), (7660, 16960), (8480, 15320), (9575, 13568), (10600, 12256)]