164531840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23371}}^1$

素因数の和:23401

約数の個数: 64

約数和(自身を含む): 429109920

約数和(自身を除く): 264578080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 23371, 46742, 93484, 116855, 186968, 233710, 257081, 373936, 467420, 514162, 747872, 934840, 1028324, 1285405, 1495744, 1869680, 2056648, 2570810, 2991488, 3739360, 4113296, 5141620, 7478720, 8226592, 10283240, 14957440, 16453184, 20566480, 32906368, 41132960, 82265920, 164531840]

約数ペア:

[(1, 164531840), (2, 82265920), (4, 41132960), (5, 32906368), (8, 20566480), (10, 16453184), (11, 14957440), (16, 10283240), (20, 8226592), (22, 7478720), (32, 5141620), (40, 4113296), (44, 3739360), (55, 2991488), (64, 2570810), (80, 2056648), (88, 1869680), (110, 1495744), (128, 1285405), (160, 1028324), (176, 934840), (220, 747872), (320, 514162), (352, 467420), (440, 373936), (640, 257081), (704, 233710), (880, 186968), (1408, 116855), (1760, 93484), (3520, 46742), (7040, 23371)]