645905744

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 1443907584

約数和(自身を除く): 798001840

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 71, 74, 88, 121, 127, 142, 148, 176, 242, 254, 284, 296, 407, 484, 508, 568, 592, 781, 814, 968, 1016, 1136, 1397, 1562, 1628, 1936, 2032, 2627, 2794, 3124, 3256, 4477, 4699, 5254, 5588, 6248, 6512, 8591, 8954, 9017, 9398, 10508, 11176, 12496, 15367, 17182, 17908, 18034, 18796, 21016, 22352, 28897, 30734, 34364, 35816, 36068, 37592, 42032, 51689, 57794, 61468, 68728, 71632, 72136, 75184, 99187, 103378, 115588, 122936, 137456, 144272, 198374, 206756, 231176, 245872, 317867, 333629, 396748, 413512, 462352, 568579, 635734, 667258, 793496, 827024, 1091057, 1137158, 1271468, 1334516, 1586992, 2182114, 2274316, 2542936, 2669032, 3669919, 4364228, 4548632, 5085872, 5338064, 7339838, 8728456, 9097264, 14679676, 17456912, 29359352, 40369109, 58718704, 80738218, 161476436, 322952872, 645905744]

約数ペア:

[(1, 645905744), (2, 322952872), (4, 161476436), (8, 80738218), (11, 58718704), (16, 40369109), (22, 29359352), (37, 17456912), (44, 14679676), (71, 9097264), (74, 8728456), (88, 7339838), (121, 5338064), (127, 5085872), (142, 4548632), (148, 4364228), (176, 3669919), (242, 2669032), (254, 2542936), (284, 2274316), (296, 2182114), (407, 1586992), (484, 1334516), (508, 1271468), (568, 1137158), (592, 1091057), (781, 827024), (814, 793496), (968, 667258), (1016, 635734), (1136, 568579), (1397, 462352), (1562, 413512), (1628, 396748), (1936, 333629), (2032, 317867), (2627, 245872), (2794, 231176), (3124, 206756), (3256, 198374), (4477, 144272), (4699, 137456), (5254, 122936), (5588, 115588), (6248, 103378), (6512, 99187), (8591, 75184), (8954, 72136), (9017, 71632), (9398, 68728), (10508, 61468), (11176, 57794), (12496, 51689), (15367, 42032), (17182, 37592), (17908, 36068), (18034, 35816), (18796, 34364), (21016, 30734), (22352, 28897)]