15757920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:405

約数の個数: 144

約数和(自身を含む): 55665792

約数和(自身を除く): 39907872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 353, 360, 372, 465, 480, 496, 558, 620, 706, 720, 744, 930, 992, 1059, 1116, 1240, 1395, 1412, 1440, 1488, 1765, 1860, 2118, 2232, 2480, 2790, 2824, 2976, 3177, 3530, 3720, 4236, 4464, 4960, 5295, 5580, 5648, 6354, 7060, 7440, 8472, 8928, 10590, 10943, 11160, 11296, 12708, 14120, 14880, 15885, 16944, 21180, 21886, 22320, 25416, 28240, 31770, 32829, 33888, 42360, 43772, 44640, 50832, 54715, 56480, 63540, 65658, 84720, 87544, 98487, 101664, 109430, 127080, 131316, 164145, 169440, 175088, 196974, 218860, 254160, 262632, 328290, 350176, 393948, 437720, 492435, 508320, 525264, 656580, 787896, 875440, 984870, 1050528, 1313160, 1575792, 1750880, 1969740, 2626320, 3151584, 3939480, 5252640, 7878960, 15757920]

約数ペア:

[(1, 15757920), (2, 7878960), (3, 5252640), (4, 3939480), (5, 3151584), (6, 2626320), (8, 1969740), (9, 1750880), (10, 1575792), (12, 1313160), (15, 1050528), (16, 984870), (18, 875440), (20, 787896), (24, 656580), (30, 525264), (31, 508320), (32, 492435), (36, 437720), (40, 393948), (45, 350176), (48, 328290), (60, 262632), (62, 254160), (72, 218860), (80, 196974), (90, 175088), (93, 169440), (96, 164145), (120, 131316), (124, 127080), (144, 109430), (155, 101664), (160, 98487), (180, 87544), (186, 84720), (240, 65658), (248, 63540), (279, 56480), (288, 54715), (310, 50832), (353, 44640), (360, 43772), (372, 42360), (465, 33888), (480, 32829), (496, 31770), (558, 28240), (620, 25416), (706, 22320), (720, 21886), (744, 21180), (930, 16944), (992, 15885), (1059, 14880), (1116, 14120), (1240, 12708), (1395, 11296), (1412, 11160), (1440, 10943), (1488, 10590), (1765, 8928), (1860, 8472), (2118, 7440), (2232, 7060), (2480, 6354), (2790, 5648), (2824, 5580), (2976, 5295), (3177, 4960), (3530, 4464), (3720, 4236)]