205854880

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 288

約数和(自身を含む): 643507200

約数和(自身を除く): 437652320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 49, 55, 56, 62, 70, 77, 80, 88, 98, 110, 112, 121, 124, 140, 154, 155, 160, 176, 196, 217, 220, 224, 242, 245, 248, 280, 308, 310, 341, 343, 352, 385, 392, 434, 440, 484, 490, 496, 539, 560, 605, 616, 620, 682, 686, 770, 784, 847, 868, 880, 968, 980, 992, 1078, 1085, 1120, 1210, 1232, 1240, 1364, 1372, 1519, 1540, 1568, 1694, 1705, 1715, 1736, 1760, 1936, 1960, 2156, 2170, 2387, 2420, 2464, 2480, 2695, 2728, 2744, 3038, 3080, 3388, 3410, 3430, 3472, 3751, 3773, 3872, 3920, 4235, 4312, 4340, 4774, 4840, 4960, 5390, 5456, 5488, 5929, 6076, 6160, 6776, 6820, 6860, 6944, 7502, 7546, 7595, 7840, 8470, 8624, 8680, 9548, 9680, 10633, 10780, 10912, 10976, 11858, 11935, 12152, 12320, 13552, 13640, 13720, 15004, 15092, 15190, 16709, 16940, 17248, 17360, 18755, 18865, 19096, 19360, 21266, 21560, 23716, 23870, 24304, 26257, 27104, 27280, 27440, 29645, 30008, 30184, 30380, 33418, 33880, 34720, 37510, 37730, 38192, 41503, 42532, 43120, 47432, 47740, 48608, 52514, 53165, 54560, 54880, 59290, 60016, 60368, 60760, 66836, 67760, 75020, 75460, 76384, 83006, 83545, 85064, 86240, 94864, 95480, 105028, 106330, 116963, 118580, 120032, 120736, 121520, 131285, 133672, 135520, 150040, 150920, 166012, 167090, 170128, 183799, 189728, 190960, 207515, 210056, 212660, 233926, 237160, 243040, 262570, 267344, 300080, 301840, 332024, 334180, 340256, 367598, 381920, 415030, 420112, 425320, 467852, 474320, 525140, 534688, 584815, 600160, 603680, 664048, 668360, 735196, 830060, 840224, 850640, 918995, 935704, 948640, 1050280, 1169630, 1286593, 1328096, 1336720, 1470392, 1660120, 1701280, 1837990, 1871408, 2100560, 2339260, 2573186, 2673440, 2940784, 3320240, 3675980, 3742816, 4201120, 4678520, 5146372, 5881568, 6432965, 6640480, 7351960, 9357040, 10292744, 12865930, 14703920, 18714080, 20585488, 25731860, 29407840, 41170976, 51463720, 102927440, 205854880]

約数ペア:

[(1, 205854880), (2, 102927440), (4, 51463720), (5, 41170976), (7, 29407840), (8, 25731860), (10, 20585488), (11, 18714080), (14, 14703920), (16, 12865930), (20, 10292744), (22, 9357040), (28, 7351960), (31, 6640480), (32, 6432965), (35, 5881568), (40, 5146372), (44, 4678520), (49, 4201120), (55, 3742816), (56, 3675980), (62, 3320240), (70, 2940784), (77, 2673440), (80, 2573186), (88, 2339260), (98, 2100560), (110, 1871408), (112, 1837990), (121, 1701280), (124, 1660120), (140, 1470392), (154, 1336720), (155, 1328096), (160, 1286593), (176, 1169630), (196, 1050280), (217, 948640), (220, 935704), (224, 918995), (242, 850640), (245, 840224), (248, 830060), (280, 735196), (308, 668360), (310, 664048), (341, 603680), (343, 600160), (352, 584815), (385, 534688), (392, 525140), (434, 474320), (440, 467852), (484, 425320), (490, 420112), (496, 415030), (539, 381920), (560, 367598), (605, 340256), (616, 334180), (620, 332024), (682, 301840), (686, 300080), (770, 267344), (784, 262570), (847, 243040), (868, 237160), (880, 233926), (968, 212660), (980, 210056), (992, 207515), (1078, 190960), (1085, 189728), (1120, 183799), (1210, 170128), (1232, 167090), (1240, 166012), (1364, 150920), (1372, 150040), (1519, 135520), (1540, 133672), (1568, 131285), (1694, 121520), (1705, 120736), (1715, 120032), (1736, 118580), (1760, 116963), (1936, 106330), (1960, 105028), (2156, 95480), (2170, 94864), (2387, 86240), (2420, 85064), (2464, 83545), (2480, 83006), (2695, 76384), (2728, 75460), (2744, 75020), (3038, 67760), (3080, 66836), (3388, 60760), (3410, 60368), (3430, 60016), (3472, 59290), (3751, 54880), (3773, 54560), (3872, 53165), (3920, 52514), (4235, 48608), (4312, 47740), (4340, 47432), (4774, 43120), (4840, 42532), (4960, 41503), (5390, 38192), (5456, 37730), (5488, 37510), (5929, 34720), (6076, 33880), (6160, 33418), (6776, 30380), (6820, 30184), (6860, 30008), (6944, 29645), (7502, 27440), (7546, 27280), (7595, 27104), (7840, 26257), (8470, 24304), (8624, 23870), (8680, 23716), (9548, 21560), (9680, 21266), (10633, 19360), (10780, 19096), (10912, 18865), (10976, 18755), (11858, 17360), (11935, 17248), (12152, 16940), (12320, 16709), (13552, 15190), (13640, 15092), (13720, 15004)]