80399520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:564

約数の個数: 192

約数和(自身を含む): 289578240

約数和(自身を除く): 209178720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 216, 222, 240, 270, 288, 296, 333, 360, 370, 432, 444, 480, 503, 540, 555, 592, 666, 720, 740, 864, 888, 999, 1006, 1080, 1110, 1184, 1332, 1440, 1480, 1509, 1665, 1776, 1998, 2012, 2160, 2220, 2515, 2664, 2960, 3018, 3330, 3552, 3996, 4024, 4320, 4440, 4527, 4995, 5030, 5328, 5920, 6036, 6660, 7545, 7992, 8048, 8880, 9054, 9990, 10060, 10656, 12072, 13320, 13581, 15090, 15984, 16096, 17760, 18108, 18611, 19980, 20120, 22635, 24144, 26640, 27162, 30180, 31968, 36216, 37222, 39960, 40240, 45270, 48288, 53280, 54324, 55833, 60360, 67905, 72432, 74444, 79920, 80480, 90540, 93055, 108648, 111666, 120720, 135810, 144864, 148888, 159840, 167499, 181080, 186110, 217296, 223332, 241440, 271620, 279165, 297776, 334998, 362160, 372220, 434592, 446664, 502497, 543240, 558330, 595552, 669996, 724320, 744440, 837495, 893328, 1004994, 1086480, 1116660, 1339992, 1488880, 1674990, 1786656, 2009988, 2172960, 2233320, 2512485, 2679984, 2977760, 3349980, 4019976, 4466640, 5024970, 5359968, 6699960, 8039952, 8933280, 10049940, 13399920, 16079904, 20099880, 26799840, 40199760, 80399520]

約数ペア:

[(1, 80399520), (2, 40199760), (3, 26799840), (4, 20099880), (5, 16079904), (6, 13399920), (8, 10049940), (9, 8933280), (10, 8039952), (12, 6699960), (15, 5359968), (16, 5024970), (18, 4466640), (20, 4019976), (24, 3349980), (27, 2977760), (30, 2679984), (32, 2512485), (36, 2233320), (37, 2172960), (40, 2009988), (45, 1786656), (48, 1674990), (54, 1488880), (60, 1339992), (72, 1116660), (74, 1086480), (80, 1004994), (90, 893328), (96, 837495), (108, 744440), (111, 724320), (120, 669996), (135, 595552), (144, 558330), (148, 543240), (160, 502497), (180, 446664), (185, 434592), (216, 372220), (222, 362160), (240, 334998), (270, 297776), (288, 279165), (296, 271620), (333, 241440), (360, 223332), (370, 217296), (432, 186110), (444, 181080), (480, 167499), (503, 159840), (540, 148888), (555, 144864), (592, 135810), (666, 120720), (720, 111666), (740, 108648), (864, 93055), (888, 90540), (999, 80480), (1006, 79920), (1080, 74444), (1110, 72432), (1184, 67905), (1332, 60360), (1440, 55833), (1480, 54324), (1509, 53280), (1665, 48288), (1776, 45270), (1998, 40240), (2012, 39960), (2160, 37222), (2220, 36216), (2515, 31968), (2664, 30180), (2960, 27162), (3018, 26640), (3330, 24144), (3552, 22635), (3996, 20120), (4024, 19980), (4320, 18611), (4440, 18108), (4527, 17760), (4995, 16096), (5030, 15984), (5328, 15090), (5920, 13581), (6036, 13320), (6660, 12072), (7545, 10656), (7992, 10060), (8048, 9990), (8880, 9054)]