64976800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 186363072

約数和(自身を除く): 121386272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 41, 50, 56, 70, 80, 82, 100, 112, 140, 160, 164, 175, 200, 205, 224, 280, 283, 287, 328, 350, 400, 410, 560, 566, 574, 656, 700, 800, 820, 1025, 1120, 1132, 1148, 1312, 1400, 1415, 1435, 1640, 1981, 2050, 2264, 2296, 2800, 2830, 2870, 3280, 3962, 4100, 4528, 4592, 5600, 5660, 5740, 6560, 7075, 7175, 7924, 8200, 9056, 9184, 9905, 11320, 11480, 11603, 14150, 14350, 15848, 16400, 19810, 22640, 22960, 23206, 28300, 28700, 31696, 32800, 39620, 45280, 45920, 46412, 49525, 56600, 57400, 58015, 63392, 79240, 81221, 92824, 99050, 113200, 114800, 116030, 158480, 162442, 185648, 198100, 226400, 229600, 232060, 290075, 316960, 324884, 371296, 396200, 406105, 464120, 580150, 649768, 792400, 812210, 928240, 1160300, 1299536, 1584800, 1624420, 1856480, 2030525, 2320600, 2599072, 3248840, 4061050, 4641200, 6497680, 8122100, 9282400, 12995360, 16244200, 32488400, 64976800]

約数ペア:

[(1, 64976800), (2, 32488400), (4, 16244200), (5, 12995360), (7, 9282400), (8, 8122100), (10, 6497680), (14, 4641200), (16, 4061050), (20, 3248840), (25, 2599072), (28, 2320600), (32, 2030525), (35, 1856480), (40, 1624420), (41, 1584800), (50, 1299536), (56, 1160300), (70, 928240), (80, 812210), (82, 792400), (100, 649768), (112, 580150), (140, 464120), (160, 406105), (164, 396200), (175, 371296), (200, 324884), (205, 316960), (224, 290075), (280, 232060), (283, 229600), (287, 226400), (328, 198100), (350, 185648), (400, 162442), (410, 158480), (560, 116030), (566, 114800), (574, 113200), (656, 99050), (700, 92824), (800, 81221), (820, 79240), (1025, 63392), (1120, 58015), (1132, 57400), (1148, 56600), (1312, 49525), (1400, 46412), (1415, 45920), (1435, 45280), (1640, 39620), (1981, 32800), (2050, 31696), (2264, 28700), (2296, 28300), (2800, 23206), (2830, 22960), (2870, 22640), (3280, 19810), (3962, 16400), (4100, 15848), (4528, 14350), (4592, 14150), (5600, 11603), (5660, 11480), (5740, 11320), (6560, 9905), (7075, 9184), (7175, 9056), (7924, 8200)]