9780120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{3881}}^1$

素因数の和:3905

約数の個数: 96

約数和(自身を含む): 36335520

約数和(自身を除く): 26555400

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, 3881, 7762, 11643, 15524, 19405, 23286, 27167, 31048, 34929, 38810, 46572, 54334, 58215, 69858, 77620, 81501, 93144, 108668, 116430, 135835, 139716, 155240, 163002, 174645, 217336, 232860, 244503, 271670, 279432, 326004, 349290, 407505, 465720, 489006, 543340, 652008, 698580, 815010, 978012, 1086680, 1222515, 1397160, 1630020, 1956024, 2445030, 3260040, 4890060, 9780120]

約数ペア:

[(1, 9780120), (2, 4890060), (3, 3260040), (4, 2445030), (5, 1956024), (6, 1630020), (7, 1397160), (8, 1222515), (9, 1086680), (10, 978012), (12, 815010), (14, 698580), (15, 652008), (18, 543340), (20, 489006), (21, 465720), (24, 407505), (28, 349290), (30, 326004), (35, 279432), (36, 271670), (40, 244503), (42, 232860), (45, 217336), (56, 174645), (60, 163002), (63, 155240), (70, 139716), (72, 135835), (84, 116430), (90, 108668), (105, 93144), (120, 81501), (126, 77620), (140, 69858), (168, 58215), (180, 54334), (210, 46572), (252, 38810), (280, 34929), (315, 31048), (360, 27167), (420, 23286), (504, 19405), (630, 15524), (840, 11643), (1260, 7762), (2520, 3881)]