1641360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{977}}^1$

素因数の和:1000

約数の個数: 80

約数和(自身を含む): 5821056

約数和(自身を除く): 4179696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 977, 1680, 1954, 2931, 3908, 4885, 5862, 6839, 7816, 9770, 11724, 13678, 14655, 15632, 19540, 20517, 23448, 27356, 29310, 34195, 39080, 41034, 46896, 54712, 58620, 68390, 78160, 82068, 102585, 109424, 117240, 136780, 164136, 205170, 234480, 273560, 328272, 410340, 547120, 820680, 1641360]

約数ペア:

[(1, 1641360), (2, 820680), (3, 547120), (4, 410340), (5, 328272), (6, 273560), (7, 234480), (8, 205170), (10, 164136), (12, 136780), (14, 117240), (15, 109424), (16, 102585), (20, 82068), (21, 78160), (24, 68390), (28, 58620), (30, 54712), (35, 46896), (40, 41034), (42, 39080), (48, 34195), (56, 29310), (60, 27356), (70, 23448), (80, 20517), (84, 19540), (105, 15632), (112, 14655), (120, 13678), (140, 11724), (168, 9770), (210, 7816), (240, 6839), (280, 5862), (336, 4885), (420, 3908), (560, 2931), (840, 1954), (977, 1680)]