1608409920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128879}}^1$

素因数の和:128912

約数の個数: 112

約数和(自身を含む): 5499567360

約数和(自身を除く): 3891157440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 128879, 257758, 386637, 515516, 644395, 773274, 1031032, 1288790, 1546548, 1675427, 1933185, 2062064, 2577580, 3093096, 3350854, 3866370, 4124128, 5026281, 5155160, 6186192, 6701708, 7732740, 8248256, 8377135, 10052562, 10310320, 12372384, 13403416, 15465480, 16754270, 20105124, 20620640, 24744768, 25131405, 26806832, 30930960, 33508540, 40210248, 41241280, 50262810, 53613664, 61861920, 67017080, 80420496, 100525620, 107227328, 123723840, 134034160, 160840992, 201051240, 268068320, 321681984, 402102480, 536136640, 804204960, 1608409920]

約数ペア:

[(1, 1608409920), (2, 804204960), (3, 536136640), (4, 402102480), (5, 321681984), (6, 268068320), (8, 201051240), (10, 160840992), (12, 134034160), (13, 123723840), (15, 107227328), (16, 100525620), (20, 80420496), (24, 67017080), (26, 61861920), (30, 53613664), (32, 50262810), (39, 41241280), (40, 40210248), (48, 33508540), (52, 30930960), (60, 26806832), (64, 25131405), (65, 24744768), (78, 20620640), (80, 20105124), (96, 16754270), (104, 15465480), (120, 13403416), (130, 12372384), (156, 10310320), (160, 10052562), (192, 8377135), (195, 8248256), (208, 7732740), (240, 6701708), (260, 6186192), (312, 5155160), (320, 5026281), (390, 4124128), (416, 3866370), (480, 3350854), (520, 3093096), (624, 2577580), (780, 2062064), (832, 1933185), (960, 1675427), (1040, 1546548), (1248, 1288790), (1560, 1031032), (2080, 773274), (2496, 644395), (3120, 515516), (4160, 386637), (6240, 257758), (12480, 128879)]