68146400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:353

約数の個数: 144

約数和(自身を含む): 195237504

約数和(自身を除く): 127091104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 43, 50, 56, 70, 80, 86, 100, 112, 140, 160, 172, 175, 200, 215, 224, 280, 283, 301, 344, 350, 400, 430, 560, 566, 602, 688, 700, 800, 860, 1075, 1120, 1132, 1204, 1376, 1400, 1415, 1505, 1720, 1981, 2150, 2264, 2408, 2800, 2830, 3010, 3440, 3962, 4300, 4528, 4816, 5600, 5660, 6020, 6880, 7075, 7525, 7924, 8600, 9056, 9632, 9905, 11320, 12040, 12169, 14150, 15050, 15848, 17200, 19810, 22640, 24080, 24338, 28300, 30100, 31696, 34400, 39620, 45280, 48160, 48676, 49525, 56600, 60200, 60845, 63392, 79240, 85183, 97352, 99050, 113200, 120400, 121690, 158480, 170366, 194704, 198100, 226400, 240800, 243380, 304225, 316960, 340732, 389408, 396200, 425915, 486760, 608450, 681464, 792400, 851830, 973520, 1216900, 1362928, 1584800, 1703660, 1947040, 2129575, 2433800, 2725856, 3407320, 4259150, 4867600, 6814640, 8518300, 9735200, 13629280, 17036600, 34073200, 68146400]

約数ペア:

[(1, 68146400), (2, 34073200), (4, 17036600), (5, 13629280), (7, 9735200), (8, 8518300), (10, 6814640), (14, 4867600), (16, 4259150), (20, 3407320), (25, 2725856), (28, 2433800), (32, 2129575), (35, 1947040), (40, 1703660), (43, 1584800), (50, 1362928), (56, 1216900), (70, 973520), (80, 851830), (86, 792400), (100, 681464), (112, 608450), (140, 486760), (160, 425915), (172, 396200), (175, 389408), (200, 340732), (215, 316960), (224, 304225), (280, 243380), (283, 240800), (301, 226400), (344, 198100), (350, 194704), (400, 170366), (430, 158480), (560, 121690), (566, 120400), (602, 113200), (688, 99050), (700, 97352), (800, 85183), (860, 79240), (1075, 63392), (1120, 60845), (1132, 60200), (1204, 56600), (1376, 49525), (1400, 48676), (1415, 48160), (1505, 45280), (1720, 39620), (1981, 34400), (2150, 31696), (2264, 30100), (2408, 28300), (2800, 24338), (2830, 24080), (3010, 22640), (3440, 19810), (3962, 17200), (4300, 15848), (4528, 15050), (4816, 14150), (5600, 12169), (5660, 12040), (6020, 11320), (6880, 9905), (7075, 9632), (7525, 9056), (7924, 8600)]