1280364000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{4639}}^1$

素因数の和:4690

約数の個数: 192

約数和(自身を含む): 4377784320

約数和(自身を除く): 3097420320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 69, 75, 80, 92, 96, 100, 115, 120, 125, 138, 150, 160, 184, 200, 230, 240, 250, 276, 300, 345, 368, 375, 400, 460, 480, 500, 552, 575, 600, 690, 736, 750, 800, 920, 1000, 1104, 1150, 1200, 1380, 1500, 1725, 1840, 2000, 2208, 2300, 2400, 2760, 2875, 3000, 3450, 3680, 4000, 4600, 4639, 5520, 5750, 6000, 6900, 8625, 9200, 9278, 11040, 11500, 12000, 13800, 13917, 17250, 18400, 18556, 23000, 23195, 27600, 27834, 34500, 37112, 46000, 46390, 55200, 55668, 69000, 69585, 74224, 92000, 92780, 106697, 111336, 115975, 138000, 139170, 148448, 185560, 213394, 222672, 231950, 276000, 278340, 320091, 347925, 371120, 426788, 445344, 463900, 533485, 556680, 579875, 640182, 695850, 742240, 853576, 927800, 1066970, 1113360, 1159750, 1280364, 1391700, 1600455, 1707152, 1739625, 1855600, 2133940, 2226720, 2319500, 2560728, 2667425, 2783400, 3200910, 3414304, 3479250, 3711200, 4267880, 4639000, 5121456, 5334850, 5566800, 6401820, 6958500, 8002275, 8535760, 9278000, 10242912, 10669700, 11133600, 12803640, 13337125, 13917000, 16004550, 17071520, 18556000, 21339400, 25607280, 26674250, 27834000, 32009100, 40011375, 42678800, 51214560, 53348500, 55668000, 64018200, 80022750, 85357600, 106697000, 128036400, 160045500, 213394000, 256072800, 320091000, 426788000, 640182000, 1280364000]

約数ペア:

[(1, 1280364000), (2, 640182000), (3, 426788000), (4, 320091000), (5, 256072800), (6, 213394000), (8, 160045500), (10, 128036400), (12, 106697000), (15, 85357600), (16, 80022750), (20, 64018200), (23, 55668000), (24, 53348500), (25, 51214560), (30, 42678800), (32, 40011375), (40, 32009100), (46, 27834000), (48, 26674250), (50, 25607280), (60, 21339400), (69, 18556000), (75, 17071520), (80, 16004550), (92, 13917000), (96, 13337125), (100, 12803640), (115, 11133600), (120, 10669700), (125, 10242912), (138, 9278000), (150, 8535760), (160, 8002275), (184, 6958500), (200, 6401820), (230, 5566800), (240, 5334850), (250, 5121456), (276, 4639000), (300, 4267880), (345, 3711200), (368, 3479250), (375, 3414304), (400, 3200910), (460, 2783400), (480, 2667425), (500, 2560728), (552, 2319500), (575, 2226720), (600, 2133940), (690, 1855600), (736, 1739625), (750, 1707152), (800, 1600455), (920, 1391700), (1000, 1280364), (1104, 1159750), (1150, 1113360), (1200, 1066970), (1380, 927800), (1500, 853576), (1725, 742240), (1840, 695850), (2000, 640182), (2208, 579875), (2300, 556680), (2400, 533485), (2760, 463900), (2875, 445344), (3000, 426788), (3450, 371120), (3680, 347925), (4000, 320091), (4600, 278340), (4639, 276000), (5520, 231950), (5750, 222672), (6000, 213394), (6900, 185560), (8625, 148448), (9200, 139170), (9278, 138000), (11040, 115975), (11500, 111336), (12000, 106697), (13800, 92780), (13917, 92000), (17250, 74224), (18400, 69585), (18556, 69000), (23000, 55668), (23195, 55200), (27600, 46390), (27834, 46000), (34500, 37112)]