1292940

素因数分解:

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

素因数の和:679

約数の個数: 72

約数和(自身を含む): 4285008

約数和(自身を除く): 2992068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 653, 660, 990, 1306, 1959, 1980, 2612, 3265, 3918, 5877, 6530, 7183, 7836, 9795, 11754, 13060, 14366, 19590, 21549, 23508, 28732, 29385, 35915, 39180, 43098, 58770, 64647, 71830, 86196, 107745, 117540, 129294, 143660, 215490, 258588, 323235, 430980, 646470, 1292940]

約数ペア:

[(1, 1292940), (2, 646470), (3, 430980), (4, 323235), (5, 258588), (6, 215490), (9, 143660), (10, 129294), (11, 117540), (12, 107745), (15, 86196), (18, 71830), (20, 64647), (22, 58770), (30, 43098), (33, 39180), (36, 35915), (44, 29385), (45, 28732), (55, 23508), (60, 21549), (66, 19590), (90, 14366), (99, 13060), (110, 11754), (132, 9795), (165, 7836), (180, 7183), (198, 6530), (220, 5877), (330, 3918), (396, 3265), (495, 2612), (653, 1980), (660, 1959), (990, 1306)]