642258720

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{16519}}^1$

素因数の和:16549

約数の個数: 144

約数和(自身を含む): 2273019840

約数和(自身を除く): 1630761120

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, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 12960, 16519, 19440, 33038, 38880, 49557, 66076, 82595, 99114, 132152, 148671, 165190, 198228, 247785, 264304, 297342, 330380, 396456, 446013, 495570, 528608, 594684, 660760, 743355, 792912, 892026, 991140, 1189368, 1321520, 1338039, 1486710, 1585824, 1784052, 1982280, 2230065, 2378736, 2643040, 2676078, 2973420, 3568104, 3964560, 4014117, 4460130, 4757472, 5352156, 5946840, 6690195, 7136208, 7929120, 8028234, 8920260, 10704312, 11893680, 13380390, 14272416, 16056468, 17840520, 20070585, 21408624, 23787360, 26760780, 32112936, 35681040, 40141170, 42817248, 53521560, 64225872, 71362080, 80282340, 107043120, 128451744, 160564680, 214086240, 321129360, 642258720]

約数ペア:

[(1, 642258720), (2, 321129360), (3, 214086240), (4, 160564680), (5, 128451744), (6, 107043120), (8, 80282340), (9, 71362080), (10, 64225872), (12, 53521560), (15, 42817248), (16, 40141170), (18, 35681040), (20, 32112936), (24, 26760780), (27, 23787360), (30, 21408624), (32, 20070585), (36, 17840520), (40, 16056468), (45, 14272416), (48, 13380390), (54, 11893680), (60, 10704312), (72, 8920260), (80, 8028234), (81, 7929120), (90, 7136208), (96, 6690195), (108, 5946840), (120, 5352156), (135, 4757472), (144, 4460130), (160, 4014117), (162, 3964560), (180, 3568104), (216, 2973420), (240, 2676078), (243, 2643040), (270, 2378736), (288, 2230065), (324, 1982280), (360, 1784052), (405, 1585824), (432, 1486710), (480, 1338039), (486, 1321520), (540, 1189368), (648, 991140), (720, 892026), (810, 792912), (864, 743355), (972, 660760), (1080, 594684), (1215, 528608), (1296, 495570), (1440, 446013), (1620, 396456), (1944, 330380), (2160, 297342), (2430, 264304), (2592, 247785), (3240, 198228), (3888, 165190), (4320, 148671), (4860, 132152), (6480, 99114), (7776, 82595), (9720, 66076), (12960, 49557), (16519, 38880), (19440, 33038)]