861960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 2825280

約数和(自身を除く): 1963320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 653, 660, 1306, 1320, 1959, 2612, 3265, 3918, 5224, 6530, 7183, 7836, 9795, 13060, 14366, 15672, 19590, 21549, 26120, 28732, 35915, 39180, 43098, 57464, 71830, 78360, 86196, 107745, 143660, 172392, 215490, 287320, 430980, 861960]

約数ペア:

[(1, 861960), (2, 430980), (3, 287320), (4, 215490), (5, 172392), (6, 143660), (8, 107745), (10, 86196), (11, 78360), (12, 71830), (15, 57464), (20, 43098), (22, 39180), (24, 35915), (30, 28732), (33, 26120), (40, 21549), (44, 19590), (55, 15672), (60, 14366), (66, 13060), (88, 9795), (110, 7836), (120, 7183), (132, 6530), (165, 5224), (220, 3918), (264, 3265), (330, 2612), (440, 1959), (653, 1320), (660, 1306)]