1990474560

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1873}}^1$

素因数の和:1943

約数の個数: 280

約数和(自身を含む): 7257035016

約数和(自身を除く): 5266560456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 64, 72, 80, 81, 82, 90, 96, 108, 120, 123, 135, 144, 160, 162, 164, 180, 192, 205, 216, 240, 246, 270, 288, 320, 324, 328, 360, 369, 405, 410, 432, 480, 492, 540, 576, 615, 648, 656, 720, 738, 810, 820, 864, 960, 984, 1080, 1107, 1230, 1296, 1312, 1440, 1476, 1620, 1640, 1728, 1845, 1873, 1968, 2160, 2214, 2460, 2592, 2624, 2880, 2952, 3240, 3280, 3321, 3690, 3746, 3936, 4320, 4428, 4920, 5184, 5535, 5619, 5904, 6480, 6560, 6642, 7380, 7492, 7872, 8640, 8856, 9365, 9840, 11070, 11238, 11808, 12960, 13120, 13284, 14760, 14984, 16605, 16857, 17712, 18730, 19680, 22140, 22476, 23616, 25920, 26568, 28095, 29520, 29968, 33210, 33714, 35424, 37460, 39360, 44280, 44952, 50571, 53136, 56190, 59040, 59936, 66420, 67428, 70848, 74920, 76793, 84285, 88560, 89904, 101142, 106272, 112380, 118080, 119872, 132840, 134856, 149840, 151713, 153586, 168570, 177120, 179808, 202284, 212544, 224760, 230379, 252855, 265680, 269712, 299680, 303426, 307172, 337140, 354240, 359616, 383965, 404568, 449520, 460758, 505710, 531360, 539424, 599360, 606852, 614344, 674280, 691137, 758565, 767930, 809136, 899040, 921516, 1011420, 1062720, 1078848, 1151895, 1213704, 1228688, 1348560, 1382274, 1517130, 1535860, 1618272, 1798080, 1843032, 2022840, 2073411, 2303790, 2427408, 2457376, 2697120, 2764548, 3034260, 3071720, 3236544, 3455685, 3686064, 4045680, 4146822, 4607580, 4854816, 4914752, 5394240, 5529096, 6068520, 6143440, 6220233, 6911370, 7372128, 8091360, 8293644, 9215160, 9709632, 10367055, 11058192, 12137040, 12286880, 12440466, 13822740, 14744256, 16182720, 16587288, 18430320, 20734110, 22116384, 24274080, 24573760, 24880932, 27645480, 31101165, 33174576, 36860640, 41468220, 44232768, 48548160, 49761864, 55290960, 62202330, 66349152, 73721280, 82936440, 99523728, 110581920, 124404660, 132698304, 165872880, 199047456, 221163840, 248809320, 331745760, 398094912, 497618640, 663491520, 995237280, 1990474560]

約数ペア:

[(1, 1990474560), (2, 995237280), (3, 663491520), (4, 497618640), (5, 398094912), (6, 331745760), (8, 248809320), (9, 221163840), (10, 199047456), (12, 165872880), (15, 132698304), (16, 124404660), (18, 110581920), (20, 99523728), (24, 82936440), (27, 73721280), (30, 66349152), (32, 62202330), (36, 55290960), (40, 49761864), (41, 48548160), (45, 44232768), (48, 41468220), (54, 36860640), (60, 33174576), (64, 31101165), (72, 27645480), (80, 24880932), (81, 24573760), (82, 24274080), (90, 22116384), (96, 20734110), (108, 18430320), (120, 16587288), (123, 16182720), (135, 14744256), (144, 13822740), (160, 12440466), (162, 12286880), (164, 12137040), (180, 11058192), (192, 10367055), (205, 9709632), (216, 9215160), (240, 8293644), (246, 8091360), (270, 7372128), (288, 6911370), (320, 6220233), (324, 6143440), (328, 6068520), (360, 5529096), (369, 5394240), (405, 4914752), (410, 4854816), (432, 4607580), (480, 4146822), (492, 4045680), (540, 3686064), (576, 3455685), (615, 3236544), (648, 3071720), (656, 3034260), (720, 2764548), (738, 2697120), (810, 2457376), (820, 2427408), (864, 2303790), (960, 2073411), (984, 2022840), (1080, 1843032), (1107, 1798080), (1230, 1618272), (1296, 1535860), (1312, 1517130), (1440, 1382274), (1476, 1348560), (1620, 1228688), (1640, 1213704), (1728, 1151895), (1845, 1078848), (1873, 1062720), (1968, 1011420), (2160, 921516), (2214, 899040), (2460, 809136), (2592, 767930), (2624, 758565), (2880, 691137), (2952, 674280), (3240, 614344), (3280, 606852), (3321, 599360), (3690, 539424), (3746, 531360), (3936, 505710), (4320, 460758), (4428, 449520), (4920, 404568), (5184, 383965), (5535, 359616), (5619, 354240), (5904, 337140), (6480, 307172), (6560, 303426), (6642, 299680), (7380, 269712), (7492, 265680), (7872, 252855), (8640, 230379), (8856, 224760), (9365, 212544), (9840, 202284), (11070, 179808), (11238, 177120), (11808, 168570), (12960, 153586), (13120, 151713), (13284, 149840), (14760, 134856), (14984, 132840), (16605, 119872), (16857, 118080), (17712, 112380), (18730, 106272), (19680, 101142), (22140, 89904), (22476, 88560), (23616, 84285), (25920, 76793), (26568, 74920), (28095, 70848), (29520, 67428), (29968, 66420), (33210, 59936), (33714, 59040), (35424, 56190), (37460, 53136), (39360, 50571), (44280, 44952)]