138161520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:452

約数の個数: 240

約数和(自身を含む): 538536960

約数和(自身を除く): 400375440

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, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 347, 360, 395, 420, 474, 504, 553, 560, 630, 632, 694, 711, 720, 790, 840, 948, 1008, 1041, 1106, 1185, 1260, 1264, 1388, 1422, 1580, 1659, 1680, 1735, 1896, 2082, 2212, 2370, 2429, 2520, 2765, 2776, 2844, 3123, 3160, 3318, 3470, 3555, 3792, 4164, 4424, 4740, 4858, 4977, 5040, 5205, 5530, 5552, 5688, 6246, 6320, 6636, 6940, 7110, 7287, 8295, 8328, 8848, 9480, 9716, 9954, 10410, 11060, 11376, 12145, 12492, 13272, 13880, 14220, 14574, 15615, 16590, 16656, 18960, 19432, 19908, 20820, 21861, 22120, 24290, 24885, 24984, 26544, 27413, 27760, 28440, 29148, 31230, 33180, 36435, 38864, 39816, 41640, 43722, 44240, 48580, 49770, 49968, 54826, 56880, 58296, 62460, 66360, 72870, 79632, 82239, 83280, 87444, 97160, 99540, 109305, 109652, 116592, 124920, 132720, 137065, 145740, 164478, 174888, 191891, 194320, 199080, 218610, 219304, 246717, 249840, 274130, 291480, 328956, 349776, 383782, 398160, 411195, 437220, 438608, 493434, 548260, 575673, 582960, 657912, 767564, 822390, 874440, 959455, 986868, 1096520, 1151346, 1233585, 1315824, 1535128, 1644780, 1727019, 1748880, 1918910, 1973736, 2193040, 2302692, 2467170, 2878365, 3070256, 3289560, 3454038, 3837820, 3947472, 4605384, 4934340, 5756730, 6579120, 6908076, 7675640, 8635095, 9210768, 9868680, 11513460, 13816152, 15351280, 17270190, 19737360, 23026920, 27632304, 34540380, 46053840, 69080760, 138161520]

約数ペア:

[(1, 138161520), (2, 69080760), (3, 46053840), (4, 34540380), (5, 27632304), (6, 23026920), (7, 19737360), (8, 17270190), (9, 15351280), (10, 13816152), (12, 11513460), (14, 9868680), (15, 9210768), (16, 8635095), (18, 7675640), (20, 6908076), (21, 6579120), (24, 5756730), (28, 4934340), (30, 4605384), (35, 3947472), (36, 3837820), (40, 3454038), (42, 3289560), (45, 3070256), (48, 2878365), (56, 2467170), (60, 2302692), (63, 2193040), (70, 1973736), (72, 1918910), (79, 1748880), (80, 1727019), (84, 1644780), (90, 1535128), (105, 1315824), (112, 1233585), (120, 1151346), (126, 1096520), (140, 986868), (144, 959455), (158, 874440), (168, 822390), (180, 767564), (210, 657912), (237, 582960), (240, 575673), (252, 548260), (280, 493434), (315, 438608), (316, 437220), (336, 411195), (347, 398160), (360, 383782), (395, 349776), (420, 328956), (474, 291480), (504, 274130), (553, 249840), (560, 246717), (630, 219304), (632, 218610), (694, 199080), (711, 194320), (720, 191891), (790, 174888), (840, 164478), (948, 145740), (1008, 137065), (1041, 132720), (1106, 124920), (1185, 116592), (1260, 109652), (1264, 109305), (1388, 99540), (1422, 97160), (1580, 87444), (1659, 83280), (1680, 82239), (1735, 79632), (1896, 72870), (2082, 66360), (2212, 62460), (2370, 58296), (2429, 56880), (2520, 54826), (2765, 49968), (2776, 49770), (2844, 48580), (3123, 44240), (3160, 43722), (3318, 41640), (3470, 39816), (3555, 38864), (3792, 36435), (4164, 33180), (4424, 31230), (4740, 29148), (4858, 28440), (4977, 27760), (5040, 27413), (5205, 26544), (5530, 24984), (5552, 24885), (5688, 24290), (6246, 22120), (6320, 21861), (6636, 20820), (6940, 19908), (7110, 19432), (7287, 18960), (8295, 16656), (8328, 16590), (8848, 15615), (9480, 14574), (9716, 14220), (9954, 13880), (10410, 13272), (11060, 12492), (11376, 12145)]