2061540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 6742008

約数和(自身を除く): 4680468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 881, 1170, 1762, 2340, 2643, 3524, 4405, 5286, 7929, 8810, 10572, 11453, 13215, 15858, 17620, 22906, 26430, 31716, 34359, 39645, 45812, 52860, 57265, 68718, 79290, 103077, 114530, 137436, 158580, 171795, 206154, 229060, 343590, 412308, 515385, 687180, 1030770, 2061540]

約数ペア:

[(1, 2061540), (2, 1030770), (3, 687180), (4, 515385), (5, 412308), (6, 343590), (9, 229060), (10, 206154), (12, 171795), (13, 158580), (15, 137436), (18, 114530), (20, 103077), (26, 79290), (30, 68718), (36, 57265), (39, 52860), (45, 45812), (52, 39645), (60, 34359), (65, 31716), (78, 26430), (90, 22906), (117, 17620), (130, 15858), (156, 13215), (180, 11453), (195, 10572), (234, 8810), (260, 7929), (390, 5286), (468, 4405), (585, 3524), (780, 2643), (881, 2340), (1170, 1762)]