311947320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{379}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 990432000

約数和(自身を除く): 678484680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 361, 379, 380, 456, 570, 722, 758, 760, 1083, 1137, 1140, 1444, 1516, 1805, 1895, 2166, 2274, 2280, 2888, 3032, 3610, 3790, 4332, 4548, 5415, 5685, 6859, 7201, 7220, 7580, 8664, 9096, 10830, 11370, 13718, 14402, 14440, 15160, 20577, 21603, 21660, 22740, 27436, 28804, 34295, 36005, 41154, 43206, 43320, 45480, 54872, 57608, 68590, 72010, 82308, 86412, 102885, 108015, 136819, 137180, 144020, 164616, 172824, 205770, 216030, 273638, 274360, 288040, 410457, 411540, 432060, 547276, 684095, 820914, 823080, 864120, 1094552, 1368190, 1641828, 2052285, 2599561, 2736380, 3283656, 4104570, 5199122, 5472760, 7798683, 8209140, 10398244, 12997805, 15597366, 16418280, 20796488, 25995610, 31194732, 38993415, 51991220, 62389464, 77986830, 103982440, 155973660, 311947320]

約数ペア:

[(1, 311947320), (2, 155973660), (3, 103982440), (4, 77986830), (5, 62389464), (6, 51991220), (8, 38993415), (10, 31194732), (12, 25995610), (15, 20796488), (19, 16418280), (20, 15597366), (24, 12997805), (30, 10398244), (38, 8209140), (40, 7798683), (57, 5472760), (60, 5199122), (76, 4104570), (95, 3283656), (114, 2736380), (120, 2599561), (152, 2052285), (190, 1641828), (228, 1368190), (285, 1094552), (361, 864120), (379, 823080), (380, 820914), (456, 684095), (570, 547276), (722, 432060), (758, 411540), (760, 410457), (1083, 288040), (1137, 274360), (1140, 273638), (1444, 216030), (1516, 205770), (1805, 172824), (1895, 164616), (2166, 144020), (2274, 137180), (2280, 136819), (2888, 108015), (3032, 102885), (3610, 86412), (3790, 82308), (4332, 72010), (4548, 68590), (5415, 57608), (5685, 54872), (6859, 45480), (7201, 43320), (7220, 43206), (7580, 41154), (8664, 36005), (9096, 34295), (10830, 28804), (11370, 27436), (13718, 22740), (14402, 21660), (14440, 21603), (15160, 20577)]