19560240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3881}}^1$

素因数の和:3907

約数の個数: 120

約数和(自身を含む): 75093408

約数和(自身を除く): 55533168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3881, 5040, 7762, 11643, 15524, 19405, 23286, 27167, 31048, 34929, 38810, 46572, 54334, 58215, 62096, 69858, 77620, 81501, 93144, 108668, 116430, 135835, 139716, 155240, 163002, 174645, 186288, 217336, 232860, 244503, 271670, 279432, 310480, 326004, 349290, 407505, 434672, 465720, 489006, 543340, 558864, 652008, 698580, 815010, 931440, 978012, 1086680, 1222515, 1304016, 1397160, 1630020, 1956024, 2173360, 2445030, 2794320, 3260040, 3912048, 4890060, 6520080, 9780120, 19560240]

約数ペア:

[(1, 19560240), (2, 9780120), (3, 6520080), (4, 4890060), (5, 3912048), (6, 3260040), (7, 2794320), (8, 2445030), (9, 2173360), (10, 1956024), (12, 1630020), (14, 1397160), (15, 1304016), (16, 1222515), (18, 1086680), (20, 978012), (21, 931440), (24, 815010), (28, 698580), (30, 652008), (35, 558864), (36, 543340), (40, 489006), (42, 465720), (45, 434672), (48, 407505), (56, 349290), (60, 326004), (63, 310480), (70, 279432), (72, 271670), (80, 244503), (84, 232860), (90, 217336), (105, 186288), (112, 174645), (120, 163002), (126, 155240), (140, 139716), (144, 135835), (168, 116430), (180, 108668), (210, 93144), (240, 81501), (252, 77620), (280, 69858), (315, 62096), (336, 58215), (360, 54334), (420, 46572), (504, 38810), (560, 34929), (630, 31048), (720, 27167), (840, 23286), (1008, 19405), (1260, 15524), (1680, 11643), (2520, 7762), (3881, 5040)]