78240960

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{3881}}^1$

素因数の和:3911

約数の個数: 168

約数和(自身を含む): 307640736

約数和(自身を除く): 229399776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 3881, 4032, 5040, 6720, 7762, 10080, 11643, 15524, 19405, 20160, 23286, 27167, 31048, 34929, 38810, 46572, 54334, 58215, 62096, 69858, 77620, 81501, 93144, 108668, 116430, 124192, 135835, 139716, 155240, 163002, 174645, 186288, 217336, 232860, 244503, 248384, 271670, 279432, 310480, 326004, 349290, 372576, 407505, 434672, 465720, 489006, 543340, 558864, 620960, 652008, 698580, 745152, 815010, 869344, 931440, 978012, 1086680, 1117728, 1222515, 1241920, 1304016, 1397160, 1630020, 1738688, 1862880, 1956024, 2173360, 2235456, 2445030, 2608032, 2794320, 3260040, 3725760, 3912048, 4346720, 4890060, 5216064, 5588640, 6520080, 7824096, 8693440, 9780120, 11177280, 13040160, 15648192, 19560240, 26080320, 39120480, 78240960]

約数ペア:

[(1, 78240960), (2, 39120480), (3, 26080320), (4, 19560240), (5, 15648192), (6, 13040160), (7, 11177280), (8, 9780120), (9, 8693440), (10, 7824096), (12, 6520080), (14, 5588640), (15, 5216064), (16, 4890060), (18, 4346720), (20, 3912048), (21, 3725760), (24, 3260040), (28, 2794320), (30, 2608032), (32, 2445030), (35, 2235456), (36, 2173360), (40, 1956024), (42, 1862880), (45, 1738688), (48, 1630020), (56, 1397160), (60, 1304016), (63, 1241920), (64, 1222515), (70, 1117728), (72, 1086680), (80, 978012), (84, 931440), (90, 869344), (96, 815010), (105, 745152), (112, 698580), (120, 652008), (126, 620960), (140, 558864), (144, 543340), (160, 489006), (168, 465720), (180, 434672), (192, 407505), (210, 372576), (224, 349290), (240, 326004), (252, 310480), (280, 279432), (288, 271670), (315, 248384), (320, 244503), (336, 232860), (360, 217336), (420, 186288), (448, 174645), (480, 163002), (504, 155240), (560, 139716), (576, 135835), (630, 124192), (672, 116430), (720, 108668), (840, 93144), (960, 81501), (1008, 77620), (1120, 69858), (1260, 62096), (1344, 58215), (1440, 54334), (1680, 46572), (2016, 38810), (2240, 34929), (2520, 31048), (2880, 27167), (3360, 23286), (3881, 20160), (4032, 19405), (5040, 15524), (6720, 11643), (7762, 10080)]