220843520

素因数分解:

$2^9\times 5^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:611

約数の個数: 80

約数和(自身を含む): 533122128

約数和(自身を除く): 312278608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 281, 307, 320, 512, 562, 614, 640, 1124, 1228, 1280, 1405, 1535, 2248, 2456, 2560, 2810, 3070, 4496, 4912, 5620, 6140, 8992, 9824, 11240, 12280, 17984, 19648, 22480, 24560, 35968, 39296, 44960, 49120, 71936, 78592, 86267, 89920, 98240, 143872, 157184, 172534, 179840, 196480, 345068, 359680, 392960, 431335, 690136, 719360, 785920, 862670, 1380272, 1725340, 2760544, 3450680, 5521088, 6901360, 11042176, 13802720, 22084352, 27605440, 44168704, 55210880, 110421760, 220843520]

約数ペア:

[(1, 220843520), (2, 110421760), (4, 55210880), (5, 44168704), (8, 27605440), (10, 22084352), (16, 13802720), (20, 11042176), (32, 6901360), (40, 5521088), (64, 3450680), (80, 2760544), (128, 1725340), (160, 1380272), (256, 862670), (281, 785920), (307, 719360), (320, 690136), (512, 431335), (562, 392960), (614, 359680), (640, 345068), (1124, 196480), (1228, 179840), (1280, 172534), (1405, 157184), (1535, 143872), (2248, 98240), (2456, 89920), (2560, 86267), (2810, 78592), (3070, 71936), (4496, 49120), (4912, 44960), (5620, 39296), (6140, 35968), (8992, 24560), (9824, 22480), (11240, 19648), (12280, 17984)]