80689280

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 234420480

約数和(自身を除く): 153731200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 83, 98, 112, 124, 128, 140, 155, 160, 166, 196, 217, 224, 245, 248, 280, 310, 320, 332, 392, 415, 434, 448, 490, 496, 560, 581, 620, 640, 664, 784, 830, 868, 896, 980, 992, 1085, 1120, 1162, 1240, 1328, 1519, 1568, 1660, 1736, 1960, 1984, 2170, 2240, 2324, 2480, 2573, 2656, 2905, 3038, 3136, 3320, 3472, 3920, 3968, 4067, 4340, 4480, 4648, 4960, 5146, 5312, 5810, 6076, 6272, 6640, 6944, 7595, 7840, 8134, 8680, 9296, 9920, 10292, 10624, 11620, 12152, 12865, 13280, 13888, 15190, 15680, 16268, 17360, 18011, 18592, 19840, 20335, 20584, 23240, 24304, 25730, 26560, 27776, 30380, 31360, 32536, 34720, 36022, 37184, 40670, 41168, 46480, 48608, 51460, 53120, 60760, 65072, 69440, 72044, 74368, 81340, 82336, 90055, 92960, 97216, 102920, 121520, 126077, 130144, 138880, 144088, 162680, 164672, 180110, 185920, 194432, 205840, 243040, 252154, 260288, 288176, 325360, 329344, 360220, 371840, 411680, 486080, 504308, 520576, 576352, 630385, 650720, 720440, 823360, 972160, 1008616, 1152704, 1260770, 1301440, 1440880, 1646720, 2017232, 2305408, 2521540, 2602880, 2881760, 4034464, 5043080, 5763520, 8068928, 10086160, 11527040, 16137856, 20172320, 40344640, 80689280]

約数ペア:

[(1, 80689280), (2, 40344640), (4, 20172320), (5, 16137856), (7, 11527040), (8, 10086160), (10, 8068928), (14, 5763520), (16, 5043080), (20, 4034464), (28, 2881760), (31, 2602880), (32, 2521540), (35, 2305408), (40, 2017232), (49, 1646720), (56, 1440880), (62, 1301440), (64, 1260770), (70, 1152704), (80, 1008616), (83, 972160), (98, 823360), (112, 720440), (124, 650720), (128, 630385), (140, 576352), (155, 520576), (160, 504308), (166, 486080), (196, 411680), (217, 371840), (224, 360220), (245, 329344), (248, 325360), (280, 288176), (310, 260288), (320, 252154), (332, 243040), (392, 205840), (415, 194432), (434, 185920), (448, 180110), (490, 164672), (496, 162680), (560, 144088), (581, 138880), (620, 130144), (640, 126077), (664, 121520), (784, 102920), (830, 97216), (868, 92960), (896, 90055), (980, 82336), (992, 81340), (1085, 74368), (1120, 72044), (1162, 69440), (1240, 65072), (1328, 60760), (1519, 53120), (1568, 51460), (1660, 48608), (1736, 46480), (1960, 41168), (1984, 40670), (2170, 37184), (2240, 36022), (2324, 34720), (2480, 32536), (2573, 31360), (2656, 30380), (2905, 27776), (3038, 26560), (3136, 25730), (3320, 24304), (3472, 23240), (3920, 20584), (3968, 20335), (4067, 19840), (4340, 18592), (4480, 18011), (4648, 17360), (4960, 16268), (5146, 15680), (5312, 15190), (5810, 13888), (6076, 13280), (6272, 12865), (6640, 12152), (6944, 11620), (7595, 10624), (7840, 10292), (8134, 9920), (8680, 9296)]