30388680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:444

約数の個数: 192

約数和(自身を含む): 116812800

約数和(自身を除く): 86424120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 389, 420, 434, 465, 504, 558, 620, 630, 651, 744, 778, 840, 868, 930, 1085, 1116, 1167, 1240, 1260, 1302, 1395, 1556, 1736, 1860, 1945, 1953, 2170, 2232, 2334, 2520, 2604, 2723, 2790, 3112, 3255, 3501, 3720, 3890, 3906, 4340, 4668, 5208, 5446, 5580, 5835, 6510, 7002, 7780, 7812, 8169, 8680, 9336, 9765, 10892, 11160, 11670, 12059, 13020, 13615, 14004, 15560, 15624, 16338, 17505, 19530, 21784, 23340, 24118, 24507, 26040, 27230, 28008, 32676, 35010, 36177, 39060, 40845, 46680, 48236, 49014, 54460, 60295, 65352, 70020, 72354, 78120, 81690, 84413, 96472, 98028, 108531, 108920, 120590, 122535, 140040, 144708, 163380, 168826, 180885, 196056, 217062, 241180, 245070, 253239, 289416, 326760, 337652, 361770, 422065, 434124, 482360, 490140, 506478, 542655, 675304, 723540, 759717, 844130, 868248, 980280, 1012956, 1085310, 1266195, 1447080, 1519434, 1688260, 2025912, 2170620, 2532390, 3038868, 3376520, 3798585, 4341240, 5064780, 6077736, 7597170, 10129560, 15194340, 30388680]

約数ペア:

[(1, 30388680), (2, 15194340), (3, 10129560), (4, 7597170), (5, 6077736), (6, 5064780), (7, 4341240), (8, 3798585), (9, 3376520), (10, 3038868), (12, 2532390), (14, 2170620), (15, 2025912), (18, 1688260), (20, 1519434), (21, 1447080), (24, 1266195), (28, 1085310), (30, 1012956), (31, 980280), (35, 868248), (36, 844130), (40, 759717), (42, 723540), (45, 675304), (56, 542655), (60, 506478), (62, 490140), (63, 482360), (70, 434124), (72, 422065), (84, 361770), (90, 337652), (93, 326760), (105, 289416), (120, 253239), (124, 245070), (126, 241180), (140, 217062), (155, 196056), (168, 180885), (180, 168826), (186, 163380), (210, 144708), (217, 140040), (248, 122535), (252, 120590), (279, 108920), (280, 108531), (310, 98028), (315, 96472), (360, 84413), (372, 81690), (389, 78120), (420, 72354), (434, 70020), (465, 65352), (504, 60295), (558, 54460), (620, 49014), (630, 48236), (651, 46680), (744, 40845), (778, 39060), (840, 36177), (868, 35010), (930, 32676), (1085, 28008), (1116, 27230), (1167, 26040), (1240, 24507), (1260, 24118), (1302, 23340), (1395, 21784), (1556, 19530), (1736, 17505), (1860, 16338), (1945, 15624), (1953, 15560), (2170, 14004), (2232, 13615), (2334, 13020), (2520, 12059), (2604, 11670), (2723, 11160), (2790, 10892), (3112, 9765), (3255, 9336), (3501, 8680), (3720, 8169), (3890, 7812), (3906, 7780), (4340, 7002), (4668, 6510), (5208, 5835), (5446, 5580)]