90746920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6653}}^1$

素因数の和:6706

約数の個数: 64

約数和(自身を含む): 229962240

約数和(自身を除く): 139215320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6653, 6820, 13306, 13640, 26612, 33265, 53224, 66530, 73183, 133060, 146366, 206243, 266120, 292732, 365915, 412486, 585464, 731830, 824972, 1031215, 1463660, 1649944, 2062430, 2268673, 2927320, 4124860, 4537346, 8249720, 9074692, 11343365, 18149384, 22686730, 45373460, 90746920]

約数ペア:

[(1, 90746920), (2, 45373460), (4, 22686730), (5, 18149384), (8, 11343365), (10, 9074692), (11, 8249720), (20, 4537346), (22, 4124860), (31, 2927320), (40, 2268673), (44, 2062430), (55, 1649944), (62, 1463660), (88, 1031215), (110, 824972), (124, 731830), (155, 585464), (220, 412486), (248, 365915), (310, 292732), (341, 266120), (440, 206243), (620, 146366), (682, 133060), (1240, 73183), (1364, 66530), (1705, 53224), (2728, 33265), (3410, 26612), (6653, 13640), (6820, 13306)]