213996720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:648

約数の個数: 240

約数和(自身を含む): 797948928

約数和(自身を除く): 583952208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 587, 588, 620, 651, 735, 744, 784, 840, 868, 930, 980, 1085, 1174, 1176, 1240, 1302, 1470, 1488, 1519, 1680, 1736, 1761, 1860, 1960, 2170, 2348, 2352, 2480, 2604, 2935, 2940, 3038, 3255, 3472, 3522, 3720, 3920, 4109, 4340, 4557, 4696, 5208, 5870, 5880, 6076, 6510, 7044, 7440, 7595, 8218, 8680, 8805, 9114, 9392, 10416, 11740, 11760, 12152, 12327, 13020, 14088, 15190, 16436, 17360, 17610, 18197, 18228, 20545, 22785, 23480, 24304, 24654, 26040, 28176, 28763, 30380, 32872, 35220, 36394, 36456, 41090, 45570, 46960, 49308, 52080, 54591, 57526, 60760, 61635, 65744, 70440, 72788, 72912, 82180, 86289, 90985, 91140, 98616, 109182, 115052, 121520, 123270, 127379, 140880, 143815, 145576, 164360, 172578, 181970, 182280, 197232, 218364, 230104, 246540, 254758, 272955, 287630, 291152, 328720, 345156, 363940, 364560, 382137, 431445, 436728, 460208, 493080, 509516, 545910, 575260, 636895, 690312, 727880, 764274, 862890, 873456, 891653, 986160, 1019032, 1091820, 1150520, 1273790, 1380624, 1455760, 1528548, 1725780, 1783306, 1910685, 2038064, 2183640, 2301040, 2547580, 2674959, 3057096, 3451560, 3566612, 3821370, 4367280, 4458265, 5095160, 5349918, 6114192, 6903120, 7133224, 7642740, 8916530, 10190320, 10699836, 13374795, 14266448, 15285480, 17833060, 21399672, 26749590, 30570960, 35666120, 42799344, 53499180, 71332240, 106998360, 213996720]

約数ペア:

[(1, 213996720), (2, 106998360), (3, 71332240), (4, 53499180), (5, 42799344), (6, 35666120), (7, 30570960), (8, 26749590), (10, 21399672), (12, 17833060), (14, 15285480), (15, 14266448), (16, 13374795), (20, 10699836), (21, 10190320), (24, 8916530), (28, 7642740), (30, 7133224), (31, 6903120), (35, 6114192), (40, 5349918), (42, 5095160), (48, 4458265), (49, 4367280), (56, 3821370), (60, 3566612), (62, 3451560), (70, 3057096), (80, 2674959), (84, 2547580), (93, 2301040), (98, 2183640), (105, 2038064), (112, 1910685), (120, 1783306), (124, 1725780), (140, 1528548), (147, 1455760), (155, 1380624), (168, 1273790), (186, 1150520), (196, 1091820), (210, 1019032), (217, 986160), (240, 891653), (245, 873456), (248, 862890), (280, 764274), (294, 727880), (310, 690312), (336, 636895), (372, 575260), (392, 545910), (420, 509516), (434, 493080), (465, 460208), (490, 436728), (496, 431445), (560, 382137), (587, 364560), (588, 363940), (620, 345156), (651, 328720), (735, 291152), (744, 287630), (784, 272955), (840, 254758), (868, 246540), (930, 230104), (980, 218364), (1085, 197232), (1174, 182280), (1176, 181970), (1240, 172578), (1302, 164360), (1470, 145576), (1488, 143815), (1519, 140880), (1680, 127379), (1736, 123270), (1761, 121520), (1860, 115052), (1960, 109182), (2170, 98616), (2348, 91140), (2352, 90985), (2480, 86289), (2604, 82180), (2935, 72912), (2940, 72788), (3038, 70440), (3255, 65744), (3472, 61635), (3522, 60760), (3720, 57526), (3920, 54591), (4109, 52080), (4340, 49308), (4557, 46960), (4696, 45570), (5208, 41090), (5870, 36456), (5880, 36394), (6076, 35220), (6510, 32872), (7044, 30380), (7440, 28763), (7595, 28176), (8218, 26040), (8680, 24654), (8805, 24304), (9114, 23480), (9392, 22785), (10416, 20545), (11740, 18228), (11760, 18197), (12152, 17610), (12327, 17360), (13020, 16436), (14088, 15190)]