1220299740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{616313}}^1$

素因数の和:616339

約数の個数: 72

約数和(自身を含む): 4038089328

約数和(自身を除く): 2817789588

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, 616313, 1232626, 1848939, 2465252, 3081565, 3697878, 5546817, 6163130, 6779443, 7395756, 9244695, 11093634, 12326260, 13558886, 18489390, 20338329, 22187268, 27117772, 27734085, 33897215, 36978780, 40676658, 55468170, 61014987, 67794430, 81353316, 101691645, 110936340, 122029974, 135588860, 203383290, 244059948, 305074935, 406766580, 610149870, 1220299740]

約数ペア:

[(1, 1220299740), (2, 610149870), (3, 406766580), (4, 305074935), (5, 244059948), (6, 203383290), (9, 135588860), (10, 122029974), (11, 110936340), (12, 101691645), (15, 81353316), (18, 67794430), (20, 61014987), (22, 55468170), (30, 40676658), (33, 36978780), (36, 33897215), (44, 27734085), (45, 27117772), (55, 22187268), (60, 20338329), (66, 18489390), (90, 13558886), (99, 12326260), (110, 11093634), (132, 9244695), (165, 7395756), (180, 6779443), (198, 6163130), (220, 5546817), (330, 3697878), (396, 3081565), (495, 2465252), (660, 1848939), (990, 1232626), (1980, 616313)]