408162528

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{19961}}^1$

素因数の和:20048

約数の個数: 72

約数和(自身を含む): 1177119216

約数和(自身を除く): 768956688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 5112, 6816, 10224, 19961, 20448, 39922, 59883, 79844, 119766, 159688, 179649, 239532, 319376, 359298, 479064, 638752, 718596, 958128, 1417231, 1437192, 1916256, 2834462, 2874384, 4251693, 5668924, 5748768, 8503386, 11337848, 12755079, 17006772, 22675696, 25510158, 34013544, 45351392, 51020316, 68027088, 102040632, 136054176, 204081264, 408162528]

約数ペア:

[(1, 408162528), (2, 204081264), (3, 136054176), (4, 102040632), (6, 68027088), (8, 51020316), (9, 45351392), (12, 34013544), (16, 25510158), (18, 22675696), (24, 17006772), (32, 12755079), (36, 11337848), (48, 8503386), (71, 5748768), (72, 5668924), (96, 4251693), (142, 2874384), (144, 2834462), (213, 1916256), (284, 1437192), (288, 1417231), (426, 958128), (568, 718596), (639, 638752), (852, 479064), (1136, 359298), (1278, 319376), (1704, 239532), (2272, 179649), (2556, 159688), (3408, 119766), (5112, 79844), (6816, 59883), (10224, 39922), (19961, 20448)]