8020980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4051}}^1$

素因数の和:4077

約数の個数: 72

約数和(自身を含む): 26548704

約数和(自身を除く): 18527724

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, 660, 990, 1980, 4051, 8102, 12153, 16204, 20255, 24306, 36459, 40510, 44561, 48612, 60765, 72918, 81020, 89122, 121530, 133683, 145836, 178244, 182295, 222805, 243060, 267366, 364590, 401049, 445610, 534732, 668415, 729180, 802098, 891220, 1336830, 1604196, 2005245, 2673660, 4010490, 8020980]

約数ペア:

[(1, 8020980), (2, 4010490), (3, 2673660), (4, 2005245), (5, 1604196), (6, 1336830), (9, 891220), (10, 802098), (11, 729180), (12, 668415), (15, 534732), (18, 445610), (20, 401049), (22, 364590), (30, 267366), (33, 243060), (36, 222805), (44, 182295), (45, 178244), (55, 145836), (60, 133683), (66, 121530), (90, 89122), (99, 81020), (110, 72918), (132, 60765), (165, 48612), (180, 44561), (198, 40510), (220, 36459), (330, 24306), (396, 20255), (495, 16204), (660, 12153), (990, 8102), (1980, 4051)]