161672440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{541}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 377752320

約数和(自身を除く): 216079880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 241, 248, 310, 482, 541, 620, 964, 1082, 1205, 1240, 1928, 2164, 2410, 2705, 4328, 4820, 5410, 7471, 9640, 10820, 14942, 16771, 21640, 29884, 33542, 37355, 59768, 67084, 74710, 83855, 130381, 134168, 149420, 167710, 260762, 298840, 335420, 521524, 651905, 670840, 1043048, 1303810, 2607620, 4041811, 5215240, 8083622, 16167244, 20209055, 32334488, 40418110, 80836220, 161672440]

約数ペア:

[(1, 161672440), (2, 80836220), (4, 40418110), (5, 32334488), (8, 20209055), (10, 16167244), (20, 8083622), (31, 5215240), (40, 4041811), (62, 2607620), (124, 1303810), (155, 1043048), (241, 670840), (248, 651905), (310, 521524), (482, 335420), (541, 298840), (620, 260762), (964, 167710), (1082, 149420), (1205, 134168), (1240, 130381), (1928, 83855), (2164, 74710), (2410, 67084), (2705, 59768), (4328, 37355), (4820, 33542), (5410, 29884), (7471, 21640), (9640, 16771), (10820, 14942)]