1213740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 4022928

約数和(自身を除く): 2809188

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, 613, 660, 990, 1226, 1839, 1980, 2452, 3065, 3678, 5517, 6130, 6743, 7356, 9195, 11034, 12260, 13486, 18390, 20229, 22068, 26972, 27585, 33715, 36780, 40458, 55170, 60687, 67430, 80916, 101145, 110340, 121374, 134860, 202290, 242748, 303435, 404580, 606870, 1213740]

約数ペア:

[(1, 1213740), (2, 606870), (3, 404580), (4, 303435), (5, 242748), (6, 202290), (9, 134860), (10, 121374), (11, 110340), (12, 101145), (15, 80916), (18, 67430), (20, 60687), (22, 55170), (30, 40458), (33, 36780), (36, 33715), (44, 27585), (45, 26972), (55, 22068), (60, 20229), (66, 18390), (90, 13486), (99, 12260), (110, 11034), (132, 9195), (165, 7356), (180, 6743), (198, 6130), (220, 5517), (330, 3678), (396, 3065), (495, 2452), (613, 1980), (660, 1839), (990, 1226)]