77820120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{30881}}^1$

素因数の和:30905

約数の個数: 96

約数和(自身を含む): 289055520

約数和(自身を除く): 211235400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 30881, 61762, 92643, 123524, 154405, 185286, 216167, 247048, 277929, 308810, 370572, 432334, 463215, 555858, 617620, 648501, 741144, 864668, 926430, 1080835, 1111716, 1235240, 1297002, 1389645, 1729336, 1852860, 1945503, 2161670, 2223432, 2594004, 2779290, 3242505, 3705720, 3891006, 4323340, 5188008, 5558580, 6485010, 7782012, 8646680, 9727515, 11117160, 12970020, 15564024, 19455030, 25940040, 38910060, 77820120]

約数ペア:

[(1, 77820120), (2, 38910060), (3, 25940040), (4, 19455030), (5, 15564024), (6, 12970020), (7, 11117160), (8, 9727515), (9, 8646680), (10, 7782012), (12, 6485010), (14, 5558580), (15, 5188008), (18, 4323340), (20, 3891006), (21, 3705720), (24, 3242505), (28, 2779290), (30, 2594004), (35, 2223432), (36, 2161670), (40, 1945503), (42, 1852860), (45, 1729336), (56, 1389645), (60, 1297002), (63, 1235240), (70, 1111716), (72, 1080835), (84, 926430), (90, 864668), (105, 741144), (120, 648501), (126, 617620), (140, 555858), (168, 463215), (180, 432334), (210, 370572), (252, 308810), (280, 277929), (315, 247048), (360, 216167), (420, 185286), (504, 154405), (630, 123524), (840, 92643), (1260, 61762), (2520, 30881)]