215481000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:393

約数の個数: 256

約数和(自身を含む): 795525120

約数和(自身を除く): 580044120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 50, 56, 60, 62, 70, 75, 84, 93, 100, 105, 120, 124, 125, 140, 150, 155, 168, 175, 186, 200, 210, 217, 248, 250, 280, 300, 310, 331, 350, 372, 375, 420, 434, 465, 500, 525, 600, 620, 651, 662, 700, 744, 750, 775, 840, 868, 875, 930, 993, 1000, 1050, 1085, 1240, 1302, 1324, 1400, 1500, 1550, 1655, 1736, 1750, 1860, 1986, 2100, 2170, 2317, 2325, 2604, 2625, 2648, 3000, 3100, 3255, 3310, 3500, 3720, 3875, 3972, 4200, 4340, 4634, 4650, 4965, 5208, 5250, 5425, 6200, 6510, 6620, 6951, 7000, 7750, 7944, 8275, 8680, 9268, 9300, 9930, 10261, 10500, 10850, 11585, 11625, 13020, 13240, 13902, 15500, 16275, 16550, 18536, 18600, 19860, 20522, 21000, 21700, 23170, 23250, 24825, 26040, 27125, 27804, 30783, 31000, 32550, 33100, 34755, 39720, 41044, 41375, 43400, 46340, 46500, 49650, 51305, 54250, 55608, 57925, 61566, 65100, 66200, 69510, 71827, 81375, 82088, 82750, 92680, 93000, 99300, 102610, 108500, 115850, 123132, 124125, 130200, 139020, 143654, 153915, 162750, 165500, 173775, 198600, 205220, 215481, 217000, 231700, 246264, 248250, 256525, 278040, 287308, 289625, 307830, 325500, 331000, 347550, 359135, 410440, 430962, 463400, 496500, 513050, 574616, 579250, 615660, 651000, 695100, 718270, 769575, 861924, 868875, 993000, 1026100, 1077405, 1158500, 1231320, 1282625, 1390200, 1436540, 1539150, 1723848, 1737750, 1795675, 2052200, 2154810, 2317000, 2565250, 2873080, 3078300, 3475500, 3591350, 3847875, 4309620, 5130500, 5387025, 6156600, 6951000, 7182700, 7695750, 8619240, 8978375, 10261000, 10774050, 14365400, 15391500, 17956750, 21548100, 26935125, 30783000, 35913500, 43096200, 53870250, 71827000, 107740500, 215481000]

約数ペア:

[(1, 215481000), (2, 107740500), (3, 71827000), (4, 53870250), (5, 43096200), (6, 35913500), (7, 30783000), (8, 26935125), (10, 21548100), (12, 17956750), (14, 15391500), (15, 14365400), (20, 10774050), (21, 10261000), (24, 8978375), (25, 8619240), (28, 7695750), (30, 7182700), (31, 6951000), (35, 6156600), (40, 5387025), (42, 5130500), (50, 4309620), (56, 3847875), (60, 3591350), (62, 3475500), (70, 3078300), (75, 2873080), (84, 2565250), (93, 2317000), (100, 2154810), (105, 2052200), (120, 1795675), (124, 1737750), (125, 1723848), (140, 1539150), (150, 1436540), (155, 1390200), (168, 1282625), (175, 1231320), (186, 1158500), (200, 1077405), (210, 1026100), (217, 993000), (248, 868875), (250, 861924), (280, 769575), (300, 718270), (310, 695100), (331, 651000), (350, 615660), (372, 579250), (375, 574616), (420, 513050), (434, 496500), (465, 463400), (500, 430962), (525, 410440), (600, 359135), (620, 347550), (651, 331000), (662, 325500), (700, 307830), (744, 289625), (750, 287308), (775, 278040), (840, 256525), (868, 248250), (875, 246264), (930, 231700), (993, 217000), (1000, 215481), (1050, 205220), (1085, 198600), (1240, 173775), (1302, 165500), (1324, 162750), (1400, 153915), (1500, 143654), (1550, 139020), (1655, 130200), (1736, 124125), (1750, 123132), (1860, 115850), (1986, 108500), (2100, 102610), (2170, 99300), (2317, 93000), (2325, 92680), (2604, 82750), (2625, 82088), (2648, 81375), (3000, 71827), (3100, 69510), (3255, 66200), (3310, 65100), (3500, 61566), (3720, 57925), (3875, 55608), (3972, 54250), (4200, 51305), (4340, 49650), (4634, 46500), (4650, 46340), (4965, 43400), (5208, 41375), (5250, 41044), (5425, 39720), (6200, 34755), (6510, 33100), (6620, 32550), (6951, 31000), (7000, 30783), (7750, 27804), (7944, 27125), (8275, 26040), (8680, 24825), (9268, 23250), (9300, 23170), (9930, 21700), (10261, 21000), (10500, 20522), (10850, 19860), (11585, 18600), (11625, 18536), (13020, 16550), (13240, 16275), (13902, 15500)]