8782020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 29964480

約数和(自身を除く): 21182460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 139, 156, 162, 180, 195, 234, 243, 260, 270, 278, 324, 351, 390, 405, 417, 468, 486, 540, 556, 585, 695, 702, 780, 810, 834, 972, 1053, 1170, 1215, 1251, 1390, 1404, 1620, 1668, 1755, 1807, 2085, 2106, 2340, 2430, 2502, 2780, 3159, 3510, 3614, 3753, 4170, 4212, 4860, 5004, 5265, 5421, 6255, 6318, 7020, 7228, 7506, 8340, 9035, 10530, 10842, 11259, 12510, 12636, 15012, 15795, 16263, 18070, 18765, 21060, 21684, 22518, 25020, 27105, 31590, 32526, 33777, 36140, 37530, 45036, 48789, 54210, 56295, 63180, 65052, 67554, 75060, 81315, 97578, 108420, 112590, 135108, 146367, 162630, 168885, 195156, 225180, 243945, 292734, 325260, 337770, 439101, 487890, 585468, 675540, 731835, 878202, 975780, 1463670, 1756404, 2195505, 2927340, 4391010, 8782020]

約数ペア:

[(1, 8782020), (2, 4391010), (3, 2927340), (4, 2195505), (5, 1756404), (6, 1463670), (9, 975780), (10, 878202), (12, 731835), (13, 675540), (15, 585468), (18, 487890), (20, 439101), (26, 337770), (27, 325260), (30, 292734), (36, 243945), (39, 225180), (45, 195156), (52, 168885), (54, 162630), (60, 146367), (65, 135108), (78, 112590), (81, 108420), (90, 97578), (108, 81315), (117, 75060), (130, 67554), (135, 65052), (139, 63180), (156, 56295), (162, 54210), (180, 48789), (195, 45036), (234, 37530), (243, 36140), (260, 33777), (270, 32526), (278, 31590), (324, 27105), (351, 25020), (390, 22518), (405, 21684), (417, 21060), (468, 18765), (486, 18070), (540, 16263), (556, 15795), (585, 15012), (695, 12636), (702, 12510), (780, 11259), (810, 10842), (834, 10530), (972, 9035), (1053, 8340), (1170, 7506), (1215, 7228), (1251, 7020), (1390, 6318), (1404, 6255), (1620, 5421), (1668, 5265), (1755, 5004), (1807, 4860), (2085, 4212), (2106, 4170), (2340, 3753), (2430, 3614), (2502, 3510), (2780, 3159)]