640107360

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{49391}}^1$

素因数の和:49418

約数の個数: 120

約数和(自身を含む): 2259091296

約数和(自身を除く): 1618983936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 49391, 98782, 148173, 197564, 246955, 296346, 395128, 444519, 493910, 592692, 740865, 790256, 889038, 987820, 1185384, 1333557, 1481730, 1580512, 1778076, 1975640, 2222595, 2370768, 2667114, 2963460, 3556152, 3951280, 4000671, 4445190, 4741536, 5334228, 5926920, 6667785, 7112304, 7902560, 8001342, 8890380, 10668456, 11853840, 13335570, 14224608, 16002684, 17780760, 20003355, 21336912, 23707680, 26671140, 32005368, 35561520, 40006710, 42673824, 53342280, 64010736, 71123040, 80013420, 106684560, 128021472, 160026840, 213369120, 320053680, 640107360]

約数ペア:

[(1, 640107360), (2, 320053680), (3, 213369120), (4, 160026840), (5, 128021472), (6, 106684560), (8, 80013420), (9, 71123040), (10, 64010736), (12, 53342280), (15, 42673824), (16, 40006710), (18, 35561520), (20, 32005368), (24, 26671140), (27, 23707680), (30, 21336912), (32, 20003355), (36, 17780760), (40, 16002684), (45, 14224608), (48, 13335570), (54, 11853840), (60, 10668456), (72, 8890380), (80, 8001342), (81, 7902560), (90, 7112304), (96, 6667785), (108, 5926920), (120, 5334228), (135, 4741536), (144, 4445190), (160, 4000671), (162, 3951280), (180, 3556152), (216, 2963460), (240, 2667114), (270, 2370768), (288, 2222595), (324, 1975640), (360, 1778076), (405, 1580512), (432, 1481730), (480, 1333557), (540, 1185384), (648, 987820), (720, 889038), (810, 790256), (864, 740865), (1080, 592692), (1296, 493910), (1440, 444519), (1620, 395128), (2160, 296346), (2592, 246955), (3240, 197564), (4320, 148173), (6480, 98782), (12960, 49391)]