215471400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:540

約数の個数: 192

約数和(自身を含む): 721828800

約数和(自身を除く): 506357400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 41, 50, 57, 60, 75, 76, 82, 95, 100, 114, 120, 123, 150, 152, 164, 190, 200, 205, 228, 246, 285, 300, 328, 380, 410, 456, 461, 475, 492, 570, 600, 615, 760, 779, 820, 922, 950, 984, 1025, 1140, 1230, 1383, 1425, 1558, 1640, 1844, 1900, 2050, 2280, 2305, 2337, 2460, 2766, 2850, 3075, 3116, 3688, 3800, 3895, 4100, 4610, 4674, 4920, 5532, 5700, 6150, 6232, 6915, 7790, 8200, 8759, 9220, 9348, 11064, 11400, 11525, 11685, 12300, 13830, 15580, 17518, 18440, 18696, 18901, 19475, 23050, 23370, 24600, 26277, 27660, 31160, 34575, 35036, 37802, 38950, 43795, 46100, 46740, 52554, 55320, 56703, 58425, 69150, 70072, 75604, 77900, 87590, 92200, 93480, 94505, 105108, 113406, 116850, 131385, 138300, 151208, 155800, 175180, 189010, 210216, 218975, 226812, 233700, 262770, 276600, 283515, 350360, 359119, 378020, 437950, 453624, 467400, 472525, 525540, 567030, 656925, 718238, 756040, 875900, 945050, 1051080, 1077357, 1134060, 1313850, 1417575, 1436476, 1751800, 1795595, 1890100, 2154714, 2268120, 2627700, 2835150, 2872952, 3591190, 3780200, 4309428, 5255400, 5386785, 5670300, 7182380, 8618856, 8977975, 10773570, 11340600, 14364760, 17955950, 21547140, 26933925, 35911900, 43094280, 53867850, 71823800, 107735700, 215471400]

約数ペア:

[(1, 215471400), (2, 107735700), (3, 71823800), (4, 53867850), (5, 43094280), (6, 35911900), (8, 26933925), (10, 21547140), (12, 17955950), (15, 14364760), (19, 11340600), (20, 10773570), (24, 8977975), (25, 8618856), (30, 7182380), (38, 5670300), (40, 5386785), (41, 5255400), (50, 4309428), (57, 3780200), (60, 3591190), (75, 2872952), (76, 2835150), (82, 2627700), (95, 2268120), (100, 2154714), (114, 1890100), (120, 1795595), (123, 1751800), (150, 1436476), (152, 1417575), (164, 1313850), (190, 1134060), (200, 1077357), (205, 1051080), (228, 945050), (246, 875900), (285, 756040), (300, 718238), (328, 656925), (380, 567030), (410, 525540), (456, 472525), (461, 467400), (475, 453624), (492, 437950), (570, 378020), (600, 359119), (615, 350360), (760, 283515), (779, 276600), (820, 262770), (922, 233700), (950, 226812), (984, 218975), (1025, 210216), (1140, 189010), (1230, 175180), (1383, 155800), (1425, 151208), (1558, 138300), (1640, 131385), (1844, 116850), (1900, 113406), (2050, 105108), (2280, 94505), (2305, 93480), (2337, 92200), (2460, 87590), (2766, 77900), (2850, 75604), (3075, 70072), (3116, 69150), (3688, 58425), (3800, 56703), (3895, 55320), (4100, 52554), (4610, 46740), (4674, 46100), (4920, 43795), (5532, 38950), (5700, 37802), (6150, 35036), (6232, 34575), (6915, 31160), (7790, 27660), (8200, 26277), (8759, 24600), (9220, 23370), (9348, 23050), (11064, 19475), (11400, 18901), (11525, 18696), (11685, 18440), (12300, 17518), (13830, 15580)]