390516480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 216

約数和(自身を含む): 1367926560

約数和(自身を除く): 977410080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 109, 120, 128, 144, 160, 180, 192, 218, 240, 256, 288, 311, 320, 327, 360, 384, 436, 480, 545, 576, 622, 640, 654, 720, 768, 872, 933, 960, 981, 1090, 1152, 1244, 1280, 1308, 1440, 1555, 1635, 1744, 1866, 1920, 1962, 2180, 2304, 2488, 2616, 2799, 2880, 3110, 3270, 3488, 3732, 3840, 3924, 4360, 4665, 4905, 4976, 5232, 5598, 5760, 6220, 6540, 6976, 7464, 7848, 8720, 9330, 9810, 9952, 10464, 11196, 11520, 12440, 13080, 13952, 13995, 14928, 15696, 17440, 18660, 19620, 19904, 20928, 22392, 24880, 26160, 27904, 27990, 29856, 31392, 33899, 34880, 37320, 39240, 39808, 41856, 44784, 49760, 52320, 55980, 59712, 62784, 67798, 69760, 74640, 78480, 79616, 83712, 89568, 99520, 101697, 104640, 111960, 119424, 125568, 135596, 139520, 149280, 156960, 169495, 179136, 199040, 203394, 209280, 223920, 238848, 251136, 271192, 298560, 305091, 313920, 338990, 358272, 398080, 406788, 418560, 447840, 508485, 542384, 597120, 610182, 627840, 677980, 716544, 813576, 895680, 1016970, 1084768, 1194240, 1220364, 1255680, 1355960, 1525455, 1627152, 1791360, 2033940, 2169536, 2440728, 2711920, 3050910, 3254304, 3582720, 4067880, 4339072, 4881456, 5423840, 6101820, 6508608, 8135760, 8678144, 9762912, 10847680, 12203640, 13017216, 16271520, 19525824, 21695360, 24407280, 26034432, 32543040, 39051648, 43390720, 48814560, 65086080, 78103296, 97629120, 130172160, 195258240, 390516480]

約数ペア:

[(1, 390516480), (2, 195258240), (3, 130172160), (4, 97629120), (5, 78103296), (6, 65086080), (8, 48814560), (9, 43390720), (10, 39051648), (12, 32543040), (15, 26034432), (16, 24407280), (18, 21695360), (20, 19525824), (24, 16271520), (30, 13017216), (32, 12203640), (36, 10847680), (40, 9762912), (45, 8678144), (48, 8135760), (60, 6508608), (64, 6101820), (72, 5423840), (80, 4881456), (90, 4339072), (96, 4067880), (109, 3582720), (120, 3254304), (128, 3050910), (144, 2711920), (160, 2440728), (180, 2169536), (192, 2033940), (218, 1791360), (240, 1627152), (256, 1525455), (288, 1355960), (311, 1255680), (320, 1220364), (327, 1194240), (360, 1084768), (384, 1016970), (436, 895680), (480, 813576), (545, 716544), (576, 677980), (622, 627840), (640, 610182), (654, 597120), (720, 542384), (768, 508485), (872, 447840), (933, 418560), (960, 406788), (981, 398080), (1090, 358272), (1152, 338990), (1244, 313920), (1280, 305091), (1308, 298560), (1440, 271192), (1555, 251136), (1635, 238848), (1744, 223920), (1866, 209280), (1920, 203394), (1962, 199040), (2180, 179136), (2304, 169495), (2488, 156960), (2616, 149280), (2799, 139520), (2880, 135596), (3110, 125568), (3270, 119424), (3488, 111960), (3732, 104640), (3840, 101697), (3924, 99520), (4360, 89568), (4665, 83712), (4905, 79616), (4976, 78480), (5232, 74640), (5598, 69760), (5760, 67798), (6220, 62784), (6540, 59712), (6976, 55980), (7464, 52320), (7848, 49760), (8720, 44784), (9330, 41856), (9810, 39808), (9952, 39240), (10464, 37320), (11196, 34880), (11520, 33899), (12440, 31392), (13080, 29856), (13952, 27990), (13995, 27904), (14928, 26160), (15696, 24880), (17440, 22392), (18660, 20928), (19620, 19904)]