400461480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:624

約数の個数: 192

約数和(自身を含む): 1383782400

約数和(自身を除く): 983320920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 127, 152, 171, 180, 190, 228, 254, 285, 342, 360, 380, 381, 456, 461, 508, 570, 635, 684, 760, 762, 855, 922, 1016, 1140, 1143, 1270, 1368, 1383, 1524, 1710, 1844, 1905, 2280, 2286, 2305, 2413, 2540, 2766, 3048, 3420, 3688, 3810, 4149, 4572, 4610, 4826, 5080, 5532, 5715, 6840, 6915, 7239, 7620, 8298, 8759, 9144, 9220, 9652, 11064, 11430, 12065, 13830, 14478, 15240, 16596, 17518, 18440, 19304, 20745, 21717, 22860, 24130, 26277, 27660, 28956, 33192, 35036, 36195, 41490, 43434, 43795, 45720, 48260, 52554, 55320, 57912, 58547, 70072, 72390, 78831, 82980, 86868, 87590, 96520, 105108, 108585, 117094, 131385, 144780, 157662, 165960, 173736, 175180, 175641, 210216, 217170, 234188, 262770, 289560, 292735, 315324, 350360, 351282, 394155, 434340, 468376, 525540, 526923, 585470, 630648, 702564, 788310, 868680, 878205, 1051080, 1053846, 1112393, 1170940, 1405128, 1576620, 1756410, 2107692, 2224786, 2341880, 2634615, 3153240, 3337179, 3512820, 4215384, 4449572, 5269230, 5561965, 6674358, 7025640, 8899144, 10011537, 10538460, 11123930, 13348716, 16685895, 20023074, 21076920, 22247860, 26697432, 33371790, 40046148, 44495720, 50057685, 66743580, 80092296, 100115370, 133487160, 200230740, 400461480]

約数ペア:

[(1, 400461480), (2, 200230740), (3, 133487160), (4, 100115370), (5, 80092296), (6, 66743580), (8, 50057685), (9, 44495720), (10, 40046148), (12, 33371790), (15, 26697432), (18, 22247860), (19, 21076920), (20, 20023074), (24, 16685895), (30, 13348716), (36, 11123930), (38, 10538460), (40, 10011537), (45, 8899144), (57, 7025640), (60, 6674358), (72, 5561965), (76, 5269230), (90, 4449572), (95, 4215384), (114, 3512820), (120, 3337179), (127, 3153240), (152, 2634615), (171, 2341880), (180, 2224786), (190, 2107692), (228, 1756410), (254, 1576620), (285, 1405128), (342, 1170940), (360, 1112393), (380, 1053846), (381, 1051080), (456, 878205), (461, 868680), (508, 788310), (570, 702564), (635, 630648), (684, 585470), (760, 526923), (762, 525540), (855, 468376), (922, 434340), (1016, 394155), (1140, 351282), (1143, 350360), (1270, 315324), (1368, 292735), (1383, 289560), (1524, 262770), (1710, 234188), (1844, 217170), (1905, 210216), (2280, 175641), (2286, 175180), (2305, 173736), (2413, 165960), (2540, 157662), (2766, 144780), (3048, 131385), (3420, 117094), (3688, 108585), (3810, 105108), (4149, 96520), (4572, 87590), (4610, 86868), (4826, 82980), (5080, 78831), (5532, 72390), (5715, 70072), (6840, 58547), (6915, 57912), (7239, 55320), (7620, 52554), (8298, 48260), (8759, 45720), (9144, 43795), (9220, 43434), (9652, 41490), (11064, 36195), (11430, 35036), (12065, 33192), (13830, 28956), (14478, 27660), (15240, 26277), (16596, 24130), (17518, 22860), (18440, 21717), (19304, 20745)]