81201120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3$

素因数の和:75

約数の個数: 384

約数和(自身を含む): 345461760

約数和(自身を除く): 264260640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 96, 104, 105, 110, 112, 120, 130, 132, 140, 143, 154, 156, 160, 165, 168, 169, 176, 182, 195, 208, 210, 220, 224, 231, 240, 260, 264, 273, 280, 286, 308, 312, 330, 336, 338, 352, 364, 385, 390, 416, 420, 429, 440, 455, 462, 480, 507, 520, 528, 546, 560, 572, 616, 624, 660, 672, 676, 715, 728, 770, 780, 840, 845, 858, 880, 910, 924, 1001, 1014, 1040, 1056, 1092, 1120, 1144, 1155, 1183, 1232, 1248, 1320, 1352, 1365, 1430, 1456, 1540, 1560, 1680, 1690, 1716, 1760, 1820, 1848, 1859, 2002, 2028, 2080, 2145, 2184, 2197, 2288, 2310, 2366, 2464, 2535, 2640, 2704, 2730, 2860, 2912, 3003, 3080, 3120, 3360, 3380, 3432, 3549, 3640, 3696, 3718, 4004, 4056, 4290, 4368, 4394, 4576, 4620, 4732, 5005, 5070, 5280, 5408, 5460, 5577, 5720, 5915, 6006, 6160, 6240, 6591, 6760, 6864, 7098, 7280, 7392, 7436, 8008, 8112, 8580, 8736, 8788, 9240, 9295, 9464, 10010, 10140, 10920, 10985, 11154, 11440, 11830, 12012, 12320, 13013, 13182, 13520, 13728, 14196, 14560, 14872, 15015, 15379, 16016, 16224, 17160, 17576, 17745, 18480, 18590, 18928, 20020, 20280, 21840, 21970, 22308, 22880, 23660, 24024, 24167, 26026, 26364, 27040, 27885, 28392, 29744, 30030, 30758, 32032, 32955, 34320, 35152, 35490, 36960, 37180, 37856, 39039, 40040, 40560, 43680, 43940, 44616, 46137, 47320, 48048, 48334, 52052, 52728, 55770, 56784, 59488, 60060, 61516, 65065, 65910, 68640, 70304, 70980, 72501, 74360, 76895, 78078, 80080, 81120, 87880, 89232, 92274, 94640, 96096, 96668, 104104, 105456, 111540, 113568, 120120, 120835, 123032, 130130, 131820, 141960, 145002, 148720, 153790, 156156, 160160, 169169, 175760, 178464, 184548, 189280, 193336, 195195, 208208, 210912, 223080, 230685, 240240, 241670, 246064, 260260, 263640, 283920, 290004, 297440, 307580, 312312, 338338, 351520, 362505, 369096, 386672, 390390, 416416, 446160, 461370, 480480, 483340, 492128, 507507, 520520, 527280, 567840, 580008, 615160, 624624, 676676, 725010, 738192, 773344, 780780, 845845, 892320, 922740, 966680, 1015014, 1041040, 1054560, 1160016, 1230320, 1249248, 1353352, 1450020, 1476384, 1561560, 1691690, 1845480, 1933360, 2030028, 2082080, 2320032, 2460640, 2537535, 2706704, 2900040, 3123120, 3383380, 3690960, 3866720, 4060056, 5075070, 5413408, 5800080, 6246240, 6766760, 7381920, 8120112, 10150140, 11600160, 13533520, 16240224, 20300280, 27067040, 40600560, 81201120]

約数ペア:

[(1, 81201120), (2, 40600560), (3, 27067040), (4, 20300280), (5, 16240224), (6, 13533520), (7, 11600160), (8, 10150140), (10, 8120112), (11, 7381920), (12, 6766760), (13, 6246240), (14, 5800080), (15, 5413408), (16, 5075070), (20, 4060056), (21, 3866720), (22, 3690960), (24, 3383380), (26, 3123120), (28, 2900040), (30, 2706704), (32, 2537535), (33, 2460640), (35, 2320032), (39, 2082080), (40, 2030028), (42, 1933360), (44, 1845480), (48, 1691690), (52, 1561560), (55, 1476384), (56, 1450020), (60, 1353352), (65, 1249248), (66, 1230320), (70, 1160016), (77, 1054560), (78, 1041040), (80, 1015014), (84, 966680), (88, 922740), (91, 892320), (96, 845845), (104, 780780), (105, 773344), (110, 738192), (112, 725010), (120, 676676), (130, 624624), (132, 615160), (140, 580008), (143, 567840), (154, 527280), (156, 520520), (160, 507507), (165, 492128), (168, 483340), (169, 480480), (176, 461370), (182, 446160), (195, 416416), (208, 390390), (210, 386672), (220, 369096), (224, 362505), (231, 351520), (240, 338338), (260, 312312), (264, 307580), (273, 297440), (280, 290004), (286, 283920), (308, 263640), (312, 260260), (330, 246064), (336, 241670), (338, 240240), (352, 230685), (364, 223080), (385, 210912), (390, 208208), (416, 195195), (420, 193336), (429, 189280), (440, 184548), (455, 178464), (462, 175760), (480, 169169), (507, 160160), (520, 156156), (528, 153790), (546, 148720), (560, 145002), (572, 141960), (616, 131820), (624, 130130), (660, 123032), (672, 120835), (676, 120120), (715, 113568), (728, 111540), (770, 105456), (780, 104104), (840, 96668), (845, 96096), (858, 94640), (880, 92274), (910, 89232), (924, 87880), (1001, 81120), (1014, 80080), (1040, 78078), (1056, 76895), (1092, 74360), (1120, 72501), (1144, 70980), (1155, 70304), (1183, 68640), (1232, 65910), (1248, 65065), (1320, 61516), (1352, 60060), (1365, 59488), (1430, 56784), (1456, 55770), (1540, 52728), (1560, 52052), (1680, 48334), (1690, 48048), (1716, 47320), (1760, 46137), (1820, 44616), (1848, 43940), (1859, 43680), (2002, 40560), (2028, 40040), (2080, 39039), (2145, 37856), (2184, 37180), (2197, 36960), (2288, 35490), (2310, 35152), (2366, 34320), (2464, 32955), (2535, 32032), (2640, 30758), (2704, 30030), (2730, 29744), (2860, 28392), (2912, 27885), (3003, 27040), (3080, 26364), (3120, 26026), (3360, 24167), (3380, 24024), (3432, 23660), (3549, 22880), (3640, 22308), (3696, 21970), (3718, 21840), (4004, 20280), (4056, 20020), (4290, 18928), (4368, 18590), (4394, 18480), (4576, 17745), (4620, 17576), (4732, 17160), (5005, 16224), (5070, 16016), (5280, 15379), (5408, 15015), (5460, 14872), (5577, 14560), (5720, 14196), (5915, 13728), (6006, 13520), (6160, 13182), (6240, 13013), (6591, 12320), (6760, 12012), (6864, 11830), (7098, 11440), (7280, 11154), (7392, 10985), (7436, 10920), (8008, 10140), (8112, 10010), (8580, 9464), (8736, 9295), (8788, 9240)]