1980408960

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3697}}^1$

素因数の和:3756

約数の個数: 256

約数和(自身を含む): 7242163200

約数和(自身を除く): 5261754240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 540, 558, 576, 620, 640, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1395, 1440, 1488, 1674, 1728, 1860, 1920, 1984, 2160, 2232, 2480, 2790, 2880, 2976, 3348, 3456, 3697, 3720, 3968, 4185, 4320, 4464, 4960, 5580, 5760, 5952, 6696, 7394, 7440, 8370, 8640, 8928, 9920, 11091, 11160, 11904, 13392, 14788, 14880, 16740, 17280, 17856, 18485, 19840, 22182, 22320, 26784, 29576, 29760, 33273, 33480, 35712, 36970, 44364, 44640, 53568, 55455, 59152, 59520, 66546, 66960, 73940, 88728, 89280, 99819, 107136, 110910, 114607, 118304, 133092, 133920, 147880, 166365, 177456, 178560, 199638, 221820, 229214, 236608, 266184, 267840, 295760, 332730, 343821, 354912, 399276, 443640, 458428, 473216, 499095, 532368, 535680, 573035, 591520, 665460, 687642, 709824, 798552, 887280, 916856, 998190, 1031463, 1064736, 1146070, 1183040, 1330920, 1375284, 1419648, 1597104, 1719105, 1774560, 1833712, 1996380, 2062926, 2129472, 2292140, 2366080, 2661840, 2750568, 3094389, 3194208, 3438210, 3549120, 3667424, 3992760, 4125852, 4258944, 4584280, 5157315, 5323680, 5501136, 6188778, 6388416, 6876420, 7098240, 7334848, 7985520, 8251704, 9168560, 10314630, 10647360, 11002272, 12377556, 12776832, 13752840, 14669696, 15471945, 15971040, 16503408, 18337120, 20629260, 21294720, 22004544, 24755112, 27505680, 30943890, 31942080, 33006816, 36674240, 41258520, 44009088, 49510224, 55011360, 61887780, 63884160, 66013632, 73348480, 82517040, 99020448, 110022720, 123775560, 132027264, 165034080, 198040896, 220045440, 247551120, 330068160, 396081792, 495102240, 660136320, 990204480, 1980408960]

約数ペア:

[(1, 1980408960), (2, 990204480), (3, 660136320), (4, 495102240), (5, 396081792), (6, 330068160), (8, 247551120), (9, 220045440), (10, 198040896), (12, 165034080), (15, 132027264), (16, 123775560), (18, 110022720), (20, 99020448), (24, 82517040), (27, 73348480), (30, 66013632), (31, 63884160), (32, 61887780), (36, 55011360), (40, 49510224), (45, 44009088), (48, 41258520), (54, 36674240), (60, 33006816), (62, 31942080), (64, 30943890), (72, 27505680), (80, 24755112), (90, 22004544), (93, 21294720), (96, 20629260), (108, 18337120), (120, 16503408), (124, 15971040), (128, 15471945), (135, 14669696), (144, 13752840), (155, 12776832), (160, 12377556), (180, 11002272), (186, 10647360), (192, 10314630), (216, 9168560), (240, 8251704), (248, 7985520), (270, 7334848), (279, 7098240), (288, 6876420), (310, 6388416), (320, 6188778), (360, 5501136), (372, 5323680), (384, 5157315), (432, 4584280), (465, 4258944), (480, 4125852), (496, 3992760), (540, 3667424), (558, 3549120), (576, 3438210), (620, 3194208), (640, 3094389), (720, 2750568), (744, 2661840), (837, 2366080), (864, 2292140), (930, 2129472), (960, 2062926), (992, 1996380), (1080, 1833712), (1116, 1774560), (1152, 1719105), (1240, 1597104), (1395, 1419648), (1440, 1375284), (1488, 1330920), (1674, 1183040), (1728, 1146070), (1860, 1064736), (1920, 1031463), (1984, 998190), (2160, 916856), (2232, 887280), (2480, 798552), (2790, 709824), (2880, 687642), (2976, 665460), (3348, 591520), (3456, 573035), (3697, 535680), (3720, 532368), (3968, 499095), (4185, 473216), (4320, 458428), (4464, 443640), (4960, 399276), (5580, 354912), (5760, 343821), (5952, 332730), (6696, 295760), (7394, 267840), (7440, 266184), (8370, 236608), (8640, 229214), (8928, 221820), (9920, 199638), (11091, 178560), (11160, 177456), (11904, 166365), (13392, 147880), (14788, 133920), (14880, 133092), (16740, 118304), (17280, 114607), (17856, 110910), (18485, 107136), (19840, 99819), (22182, 89280), (22320, 88728), (26784, 73940), (29576, 66960), (29760, 66546), (33273, 59520), (33480, 59152), (35712, 55455), (36970, 53568), (44364, 44640)]