2005771920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1049}}^1$

素因数の和:1353

約数の個数: 160

約数和(自身を含む): 6449587200

約数和(自身を除く): 4443815280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 257, 310, 372, 465, 496, 514, 620, 744, 771, 930, 1028, 1049, 1240, 1285, 1488, 1542, 1860, 2056, 2098, 2480, 2570, 3084, 3147, 3720, 3855, 4112, 4196, 5140, 5245, 6168, 6294, 7440, 7710, 7967, 8392, 10280, 10490, 12336, 12588, 15420, 15735, 15934, 16784, 20560, 20980, 23901, 25176, 30840, 31470, 31868, 32519, 39835, 41960, 47802, 50352, 61680, 62940, 63736, 65038, 79670, 83920, 95604, 97557, 119505, 125880, 127472, 130076, 159340, 162595, 191208, 195114, 239010, 251760, 260152, 269593, 318680, 325190, 382416, 390228, 478020, 487785, 520304, 539186, 637360, 650380, 780456, 808779, 956040, 975570, 1078372, 1300760, 1347965, 1560912, 1617558, 1912080, 1951140, 2156744, 2601520, 2695930, 3235116, 3902280, 4043895, 4313488, 5391860, 6470232, 7804560, 8087790, 8357383, 10783720, 12940464, 16175580, 16714766, 21567440, 25072149, 32351160, 33429532, 41786915, 50144298, 64702320, 66859064, 83573830, 100288596, 125360745, 133718128, 167147660, 200577192, 250721490, 334295320, 401154384, 501442980, 668590640, 1002885960, 2005771920]

約数ペア:

[(1, 2005771920), (2, 1002885960), (3, 668590640), (4, 501442980), (5, 401154384), (6, 334295320), (8, 250721490), (10, 200577192), (12, 167147660), (15, 133718128), (16, 125360745), (20, 100288596), (24, 83573830), (30, 66859064), (31, 64702320), (40, 50144298), (48, 41786915), (60, 33429532), (62, 32351160), (80, 25072149), (93, 21567440), (120, 16714766), (124, 16175580), (155, 12940464), (186, 10783720), (240, 8357383), (248, 8087790), (257, 7804560), (310, 6470232), (372, 5391860), (465, 4313488), (496, 4043895), (514, 3902280), (620, 3235116), (744, 2695930), (771, 2601520), (930, 2156744), (1028, 1951140), (1049, 1912080), (1240, 1617558), (1285, 1560912), (1488, 1347965), (1542, 1300760), (1860, 1078372), (2056, 975570), (2098, 956040), (2480, 808779), (2570, 780456), (3084, 650380), (3147, 637360), (3720, 539186), (3855, 520304), (4112, 487785), (4196, 478020), (5140, 390228), (5245, 382416), (6168, 325190), (6294, 318680), (7440, 269593), (7710, 260152), (7967, 251760), (8392, 239010), (10280, 195114), (10490, 191208), (12336, 162595), (12588, 159340), (15420, 130076), (15735, 127472), (15934, 125880), (16784, 119505), (20560, 97557), (20980, 95604), (23901, 83920), (25176, 79670), (30840, 65038), (31470, 63736), (31868, 62940), (32519, 61680), (39835, 50352), (41960, 47802)]