212720760

素因数分解:

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

素因数の和:451

約数の個数: 288

約数和(自身を含む): 832291200

約数和(自身を除く): 619570440

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, 49, 56, 60, 62, 63, 70, 72, 84, 90, 93, 98, 105, 120, 124, 126, 140, 147, 155, 168, 180, 186, 196, 210, 217, 245, 248, 252, 279, 280, 294, 310, 315, 360, 372, 389, 392, 420, 434, 441, 465, 490, 504, 558, 588, 620, 630, 651, 735, 744, 778, 840, 868, 882, 930, 980, 1085, 1116, 1167, 1176, 1240, 1260, 1302, 1395, 1470, 1519, 1556, 1736, 1764, 1860, 1945, 1953, 1960, 2170, 2205, 2232, 2334, 2520, 2604, 2723, 2790, 2940, 3038, 3112, 3255, 3501, 3528, 3720, 3890, 3906, 4340, 4410, 4557, 4668, 5208, 5446, 5580, 5835, 5880, 6076, 6510, 7002, 7595, 7780, 7812, 8169, 8680, 8820, 9114, 9336, 9765, 10892, 11160, 11670, 12059, 12152, 13020, 13615, 13671, 14004, 15190, 15560, 15624, 16338, 17505, 17640, 18228, 19061, 19530, 21784, 22785, 23340, 24118, 24507, 26040, 27230, 27342, 28008, 30380, 32676, 35010, 36177, 36456, 38122, 39060, 40845, 45570, 46680, 48236, 49014, 54460, 54684, 57183, 60295, 60760, 65352, 68355, 70020, 72354, 76244, 78120, 81690, 84413, 91140, 95305, 96472, 98028, 108531, 108920, 109368, 114366, 120590, 122535, 136710, 140040, 144708, 152488, 163380, 168826, 171549, 180885, 182280, 190610, 196056, 217062, 228732, 241180, 245070, 253239, 273420, 285915, 289416, 326760, 337652, 343098, 361770, 381220, 422065, 434124, 457464, 482360, 490140, 506478, 542655, 546840, 571830, 590891, 675304, 686196, 723540, 759717, 762440, 844130, 857745, 868248, 980280, 1012956, 1085310, 1143660, 1181782, 1266195, 1372392, 1447080, 1519434, 1688260, 1715490, 1772673, 2025912, 2170620, 2287320, 2363564, 2532390, 2954455, 3038868, 3376520, 3430980, 3545346, 3798585, 4341240, 4727128, 5064780, 5318019, 5908910, 6077736, 6861960, 7090692, 7597170, 8863365, 10129560, 10636038, 11817820, 14181384, 15194340, 17726730, 21272076, 23635640, 26590095, 30388680, 35453460, 42544152, 53180190, 70906920, 106360380, 212720760]

約数ペア:

[(1, 212720760), (2, 106360380), (3, 70906920), (4, 53180190), (5, 42544152), (6, 35453460), (7, 30388680), (8, 26590095), (9, 23635640), (10, 21272076), (12, 17726730), (14, 15194340), (15, 14181384), (18, 11817820), (20, 10636038), (21, 10129560), (24, 8863365), (28, 7597170), (30, 7090692), (31, 6861960), (35, 6077736), (36, 5908910), (40, 5318019), (42, 5064780), (45, 4727128), (49, 4341240), (56, 3798585), (60, 3545346), (62, 3430980), (63, 3376520), (70, 3038868), (72, 2954455), (84, 2532390), (90, 2363564), (93, 2287320), (98, 2170620), (105, 2025912), (120, 1772673), (124, 1715490), (126, 1688260), (140, 1519434), (147, 1447080), (155, 1372392), (168, 1266195), (180, 1181782), (186, 1143660), (196, 1085310), (210, 1012956), (217, 980280), (245, 868248), (248, 857745), (252, 844130), (279, 762440), (280, 759717), (294, 723540), (310, 686196), (315, 675304), (360, 590891), (372, 571830), (389, 546840), (392, 542655), (420, 506478), (434, 490140), (441, 482360), (465, 457464), (490, 434124), (504, 422065), (558, 381220), (588, 361770), (620, 343098), (630, 337652), (651, 326760), (735, 289416), (744, 285915), (778, 273420), (840, 253239), (868, 245070), (882, 241180), (930, 228732), (980, 217062), (1085, 196056), (1116, 190610), (1167, 182280), (1176, 180885), (1240, 171549), (1260, 168826), (1302, 163380), (1395, 152488), (1470, 144708), (1519, 140040), (1556, 136710), (1736, 122535), (1764, 120590), (1860, 114366), (1945, 109368), (1953, 108920), (1960, 108531), (2170, 98028), (2205, 96472), (2232, 95305), (2334, 91140), (2520, 84413), (2604, 81690), (2723, 78120), (2790, 76244), (2940, 72354), (3038, 70020), (3112, 68355), (3255, 65352), (3501, 60760), (3528, 60295), (3720, 57183), (3890, 54684), (3906, 54460), (4340, 49014), (4410, 48236), (4557, 46680), (4668, 45570), (5208, 40845), (5446, 39060), (5580, 38122), (5835, 36456), (5880, 36177), (6076, 35010), (6510, 32676), (7002, 30380), (7595, 28008), (7780, 27342), (7812, 27230), (8169, 26040), (8680, 24507), (8820, 24118), (9114, 23340), (9336, 22785), (9765, 21784), (10892, 19530), (11160, 19061), (11670, 18228), (12059, 17640), (12152, 17505), (13020, 16338), (13615, 15624), (13671, 15560), (14004, 15190)]