2097540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 6534528

約数和(自身を除く): 4436988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 271, 387, 430, 516, 542, 645, 774, 813, 860, 1084, 1290, 1355, 1548, 1626, 1935, 2439, 2580, 2710, 3252, 3870, 4065, 4878, 5420, 7740, 8130, 9756, 11653, 12195, 16260, 23306, 24390, 34959, 46612, 48780, 58265, 69918, 104877, 116530, 139836, 174795, 209754, 233060, 349590, 419508, 524385, 699180, 1048770, 2097540]

約数ペア:

[(1, 2097540), (2, 1048770), (3, 699180), (4, 524385), (5, 419508), (6, 349590), (9, 233060), (10, 209754), (12, 174795), (15, 139836), (18, 116530), (20, 104877), (30, 69918), (36, 58265), (43, 48780), (45, 46612), (60, 34959), (86, 24390), (90, 23306), (129, 16260), (172, 12195), (180, 11653), (215, 9756), (258, 8130), (271, 7740), (387, 5420), (430, 4878), (516, 4065), (542, 3870), (645, 3252), (774, 2710), (813, 2580), (860, 2439), (1084, 1935), (1290, 1626), (1355, 1548)]