251512560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 320

約数和(自身を含む): 956188800

約数和(自身を除く): 704676240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 53, 54, 60, 65, 72, 78, 80, 90, 104, 106, 108, 117, 120, 130, 135, 144, 156, 159, 169, 180, 195, 208, 212, 216, 234, 240, 260, 265, 270, 312, 318, 338, 351, 360, 390, 424, 432, 468, 477, 507, 520, 530, 540, 585, 624, 636, 676, 689, 702, 720, 780, 795, 845, 848, 936, 954, 1014, 1040, 1060, 1080, 1170, 1272, 1352, 1378, 1404, 1431, 1521, 1560, 1590, 1690, 1755, 1872, 1908, 2028, 2067, 2120, 2160, 2197, 2340, 2385, 2535, 2544, 2704, 2756, 2808, 2862, 3042, 3120, 3180, 3380, 3445, 3510, 3816, 4056, 4134, 4240, 4394, 4563, 4680, 4770, 5070, 5512, 5616, 5724, 6084, 6201, 6360, 6591, 6760, 6890, 7020, 7155, 7605, 7632, 8112, 8268, 8788, 8957, 9126, 9360, 9540, 10140, 10335, 10985, 11024, 11448, 12168, 12402, 12720, 13182, 13520, 13780, 14040, 14310, 15210, 16536, 17576, 17914, 18252, 18603, 19080, 19773, 20280, 20670, 21970, 22815, 22896, 24336, 24804, 26364, 26871, 27560, 28080, 28620, 30420, 31005, 32955, 33072, 35152, 35828, 36504, 37206, 38160, 39546, 40560, 41340, 43940, 44785, 45630, 49608, 52728, 53742, 55120, 57240, 59319, 60840, 62010, 65910, 71656, 73008, 74412, 79092, 80613, 82680, 87880, 89570, 91260, 93015, 98865, 99216, 105456, 107484, 114480, 116441, 118638, 121680, 124020, 131820, 134355, 143312, 148824, 158184, 161226, 165360, 175760, 179140, 182520, 186030, 197730, 214968, 232882, 237276, 241839, 248040, 263640, 268710, 296595, 297648, 316368, 322452, 349323, 358280, 365040, 372060, 395460, 403065, 429936, 465764, 474552, 483678, 496080, 527280, 537420, 582205, 593190, 644904, 698646, 716560, 744120, 790920, 806130, 931528, 949104, 967356, 1047969, 1074840, 1164410, 1186380, 1209195, 1289808, 1397292, 1488240, 1581840, 1612260, 1746615, 1863056, 1934712, 2095938, 2149680, 2328820, 2372760, 2418390, 2794584, 3143907, 3224520, 3493230, 3869424, 4191876, 4657640, 4745520, 4836780, 5239845, 5589168, 6287814, 6449040, 6986460, 8383752, 9315280, 9673560, 10479690, 12575628, 13972920, 15719535, 16767504, 19347120, 20959380, 25151256, 27945840, 31439070, 41918760, 50302512, 62878140, 83837520, 125756280, 251512560]

約数ペア:

[(1, 251512560), (2, 125756280), (3, 83837520), (4, 62878140), (5, 50302512), (6, 41918760), (8, 31439070), (9, 27945840), (10, 25151256), (12, 20959380), (13, 19347120), (15, 16767504), (16, 15719535), (18, 13972920), (20, 12575628), (24, 10479690), (26, 9673560), (27, 9315280), (30, 8383752), (36, 6986460), (39, 6449040), (40, 6287814), (45, 5589168), (48, 5239845), (52, 4836780), (53, 4745520), (54, 4657640), (60, 4191876), (65, 3869424), (72, 3493230), (78, 3224520), (80, 3143907), (90, 2794584), (104, 2418390), (106, 2372760), (108, 2328820), (117, 2149680), (120, 2095938), (130, 1934712), (135, 1863056), (144, 1746615), (156, 1612260), (159, 1581840), (169, 1488240), (180, 1397292), (195, 1289808), (208, 1209195), (212, 1186380), (216, 1164410), (234, 1074840), (240, 1047969), (260, 967356), (265, 949104), (270, 931528), (312, 806130), (318, 790920), (338, 744120), (351, 716560), (360, 698646), (390, 644904), (424, 593190), (432, 582205), (468, 537420), (477, 527280), (507, 496080), (520, 483678), (530, 474552), (540, 465764), (585, 429936), (624, 403065), (636, 395460), (676, 372060), (689, 365040), (702, 358280), (720, 349323), (780, 322452), (795, 316368), (845, 297648), (848, 296595), (936, 268710), (954, 263640), (1014, 248040), (1040, 241839), (1060, 237276), (1080, 232882), (1170, 214968), (1272, 197730), (1352, 186030), (1378, 182520), (1404, 179140), (1431, 175760), (1521, 165360), (1560, 161226), (1590, 158184), (1690, 148824), (1755, 143312), (1872, 134355), (1908, 131820), (2028, 124020), (2067, 121680), (2120, 118638), (2160, 116441), (2197, 114480), (2340, 107484), (2385, 105456), (2535, 99216), (2544, 98865), (2704, 93015), (2756, 91260), (2808, 89570), (2862, 87880), (3042, 82680), (3120, 80613), (3180, 79092), (3380, 74412), (3445, 73008), (3510, 71656), (3816, 65910), (4056, 62010), (4134, 60840), (4240, 59319), (4394, 57240), (4563, 55120), (4680, 53742), (4770, 52728), (5070, 49608), (5512, 45630), (5616, 44785), (5724, 43940), (6084, 41340), (6201, 40560), (6360, 39546), (6591, 38160), (6760, 37206), (6890, 36504), (7020, 35828), (7155, 35152), (7605, 33072), (7632, 32955), (8112, 31005), (8268, 30420), (8788, 28620), (8957, 28080), (9126, 27560), (9360, 26871), (9540, 26364), (10140, 24804), (10335, 24336), (10985, 22896), (11024, 22815), (11448, 21970), (12168, 20670), (12402, 20280), (12720, 19773), (13182, 19080), (13520, 18603), (13780, 18252), (14040, 17914), (14310, 17576), (15210, 16536)]