254900520

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{11239}}^1$

素因数の和:11269

約数の個数: 160

約数和(自身を含む): 979228800

約数和(自身を除く): 724328280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11239, 11340, 22478, 22680, 33717, 44956, 56195, 67434, 78673, 89912, 101151, 112390, 134868, 157346, 168585, 202302, 224780, 236019, 269736, 303453, 314692, 337170, 393365, 404604, 449560, 472038, 505755, 606906, 629384, 674340, 708057, 786730, 809208, 910359, 944076, 1011510, 1180095, 1213812, 1348680, 1416114, 1517265, 1573460, 1820718, 1888152, 2023020, 2124171, 2360190, 2427624, 2832228, 3034530, 3146920, 3540285, 3641436, 4046040, 4248342, 4551795, 4720380, 5664456, 6069060, 6372513, 7080570, 7282872, 8496684, 9103590, 9440760, 10620855, 12138120, 12745026, 14161140, 16993368, 18207180, 21241710, 25490052, 28322280, 31862565, 36414360, 42483420, 50980104, 63725130, 84966840, 127450260, 254900520]

約数ペア:

[(1, 254900520), (2, 127450260), (3, 84966840), (4, 63725130), (5, 50980104), (6, 42483420), (7, 36414360), (8, 31862565), (9, 28322280), (10, 25490052), (12, 21241710), (14, 18207180), (15, 16993368), (18, 14161140), (20, 12745026), (21, 12138120), (24, 10620855), (27, 9440760), (28, 9103590), (30, 8496684), (35, 7282872), (36, 7080570), (40, 6372513), (42, 6069060), (45, 5664456), (54, 4720380), (56, 4551795), (60, 4248342), (63, 4046040), (70, 3641436), (72, 3540285), (81, 3146920), (84, 3034530), (90, 2832228), (105, 2427624), (108, 2360190), (120, 2124171), (126, 2023020), (135, 1888152), (140, 1820718), (162, 1573460), (168, 1517265), (180, 1416114), (189, 1348680), (210, 1213812), (216, 1180095), (252, 1011510), (270, 944076), (280, 910359), (315, 809208), (324, 786730), (360, 708057), (378, 674340), (405, 629384), (420, 606906), (504, 505755), (540, 472038), (567, 449560), (630, 404604), (648, 393365), (756, 337170), (810, 314692), (840, 303453), (945, 269736), (1080, 236019), (1134, 224780), (1260, 202302), (1512, 168585), (1620, 157346), (1890, 134868), (2268, 112390), (2520, 101151), (2835, 89912), (3240, 78673), (3780, 67434), (4536, 56195), (5670, 44956), (7560, 33717), (11239, 22680), (11340, 22478)]