165148160

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2135

約数の個数: 80

約数和(自身を含む): 408938112

約数和(自身を除く): 243789952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2081, 2480, 2560, 3968, 4162, 4960, 7936, 8324, 9920, 10405, 15872, 16648, 19840, 20810, 33296, 39680, 41620, 64511, 66592, 79360, 83240, 129022, 133184, 166480, 258044, 266368, 322555, 332960, 516088, 532736, 645110, 665920, 1032176, 1065472, 1290220, 1331840, 2064352, 2580440, 2663680, 4128704, 5160880, 5327360, 8257408, 10321760, 16514816, 20643520, 33029632, 41287040, 82574080, 165148160]

約数ペア:

[(1, 165148160), (2, 82574080), (4, 41287040), (5, 33029632), (8, 20643520), (10, 16514816), (16, 10321760), (20, 8257408), (31, 5327360), (32, 5160880), (40, 4128704), (62, 2663680), (64, 2580440), (80, 2064352), (124, 1331840), (128, 1290220), (155, 1065472), (160, 1032176), (248, 665920), (256, 645110), (310, 532736), (320, 516088), (496, 332960), (512, 322555), (620, 266368), (640, 258044), (992, 166480), (1240, 133184), (1280, 129022), (1984, 83240), (2081, 79360), (2480, 66592), (2560, 64511), (3968, 41620), (4162, 39680), (4960, 33296), (7936, 20810), (8324, 19840), (9920, 16648), (10405, 15872)]