1720939680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{22549}}^1$

素因数の和:22623

約数の個数: 144

約数和(自身を含む): 5983777800

約数和(自身を除く): 4262838120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 288, 318, 360, 424, 477, 480, 530, 636, 720, 795, 848, 954, 1060, 1272, 1440, 1590, 1696, 1908, 2120, 2385, 2544, 3180, 3816, 4240, 4770, 5088, 6360, 7632, 8480, 9540, 12720, 15264, 19080, 22549, 25440, 38160, 45098, 67647, 76320, 90196, 112745, 135294, 180392, 202941, 225490, 270588, 338235, 360784, 405882, 450980, 541176, 676470, 721568, 811764, 901960, 1014705, 1082352, 1195097, 1352940, 1623528, 1803920, 2029410, 2164704, 2390194, 2705880, 3247056, 3585291, 3607840, 4058820, 4780388, 5411760, 5975485, 6494112, 7170582, 8117640, 9560776, 10755873, 10823520, 11950970, 14341164, 16235280, 17926455, 19121552, 21511746, 23901940, 28682328, 32470560, 35852910, 38243104, 43023492, 47803880, 53779365, 57364656, 71705820, 86046984, 95607760, 107558730, 114729312, 143411640, 172093968, 191215520, 215117460, 286823280, 344187936, 430234920, 573646560, 860469840, 1720939680]

約数ペア:

[(1, 1720939680), (2, 860469840), (3, 573646560), (4, 430234920), (5, 344187936), (6, 286823280), (8, 215117460), (9, 191215520), (10, 172093968), (12, 143411640), (15, 114729312), (16, 107558730), (18, 95607760), (20, 86046984), (24, 71705820), (30, 57364656), (32, 53779365), (36, 47803880), (40, 43023492), (45, 38243104), (48, 35852910), (53, 32470560), (60, 28682328), (72, 23901940), (80, 21511746), (90, 19121552), (96, 17926455), (106, 16235280), (120, 14341164), (144, 11950970), (159, 10823520), (160, 10755873), (180, 9560776), (212, 8117640), (240, 7170582), (265, 6494112), (288, 5975485), (318, 5411760), (360, 4780388), (424, 4058820), (477, 3607840), (480, 3585291), (530, 3247056), (636, 2705880), (720, 2390194), (795, 2164704), (848, 2029410), (954, 1803920), (1060, 1623528), (1272, 1352940), (1440, 1195097), (1590, 1082352), (1696, 1014705), (1908, 901960), (2120, 811764), (2385, 721568), (2544, 676470), (3180, 541176), (3816, 450980), (4240, 405882), (4770, 360784), (5088, 338235), (6360, 270588), (7632, 225490), (8480, 202941), (9540, 180392), (12720, 135294), (15264, 112745), (19080, 90196), (22549, 76320), (25440, 67647), (38160, 45098)]