71280456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 206841600

約数和(自身を除く): 135561144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 89, 102, 104, 136, 151, 156, 178, 204, 221, 267, 302, 312, 356, 408, 442, 453, 534, 604, 663, 712, 884, 906, 1068, 1157, 1208, 1326, 1513, 1768, 1812, 1963, 2136, 2314, 2567, 2652, 3026, 3471, 3624, 3926, 4539, 4628, 5134, 5304, 5889, 6052, 6942, 7701, 7852, 9078, 9256, 10268, 11778, 12104, 13439, 13884, 15402, 15704, 18156, 19669, 20536, 23556, 26878, 27768, 30804, 33371, 36312, 39338, 40317, 47112, 53756, 59007, 61608, 66742, 78676, 80634, 100113, 107512, 118014, 133484, 157352, 161268, 174707, 200226, 228463, 236028, 266968, 322536, 349414, 400452, 456926, 472056, 524121, 685389, 698828, 800904, 913852, 1048242, 1370778, 1397656, 1827704, 2096484, 2741556, 2970019, 4192968, 5483112, 5940038, 8910057, 11880076, 17820114, 23760152, 35640228, 71280456]

約数ペア:

[(1, 71280456), (2, 35640228), (3, 23760152), (4, 17820114), (6, 11880076), (8, 8910057), (12, 5940038), (13, 5483112), (17, 4192968), (24, 2970019), (26, 2741556), (34, 2096484), (39, 1827704), (51, 1397656), (52, 1370778), (68, 1048242), (78, 913852), (89, 800904), (102, 698828), (104, 685389), (136, 524121), (151, 472056), (156, 456926), (178, 400452), (204, 349414), (221, 322536), (267, 266968), (302, 236028), (312, 228463), (356, 200226), (408, 174707), (442, 161268), (453, 157352), (534, 133484), (604, 118014), (663, 107512), (712, 100113), (884, 80634), (906, 78676), (1068, 66742), (1157, 61608), (1208, 59007), (1326, 53756), (1513, 47112), (1768, 40317), (1812, 39338), (1963, 36312), (2136, 33371), (2314, 30804), (2567, 27768), (2652, 26878), (3026, 23556), (3471, 20536), (3624, 19669), (3926, 18156), (4539, 15704), (4628, 15402), (5134, 13884), (5304, 13439), (5889, 12104), (6052, 11778), (6942, 10268), (7701, 9256), (7852, 9078)]