128047500

素因数分解:

$2^2\times 3^3\times 5^4\times 7^1\times {\mathrm{271}}^1$

素因数の和:311

約数の個数: 240

約数和(自身を含む): 475847680

約数和(自身を除く): 347800180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 125, 126, 135, 140, 150, 175, 180, 189, 210, 225, 250, 252, 270, 271, 300, 315, 350, 375, 378, 420, 450, 500, 525, 540, 542, 625, 630, 675, 700, 750, 756, 813, 875, 900, 945, 1050, 1084, 1125, 1250, 1260, 1350, 1355, 1500, 1575, 1626, 1750, 1875, 1890, 1897, 2100, 2250, 2439, 2500, 2625, 2700, 2710, 3150, 3252, 3375, 3500, 3750, 3780, 3794, 4065, 4375, 4500, 4725, 4878, 5250, 5420, 5625, 5691, 6300, 6750, 6775, 7317, 7500, 7588, 7875, 8130, 8750, 9450, 9485, 9756, 10500, 11250, 11382, 12195, 13125, 13500, 13550, 14634, 15750, 16260, 16875, 17073, 17500, 18900, 18970, 20325, 22500, 22764, 23625, 24390, 26250, 27100, 28455, 29268, 31500, 33750, 33875, 34146, 36585, 37940, 39375, 40650, 47250, 47425, 48780, 51219, 52500, 56910, 60975, 67500, 67750, 68292, 73170, 78750, 81300, 85365, 94500, 94850, 101625, 102438, 113820, 118125, 121950, 135500, 142275, 146340, 157500, 169375, 170730, 182925, 189700, 203250, 204876, 236250, 237125, 243900, 256095, 284550, 304875, 338750, 341460, 365850, 406500, 426825, 472500, 474250, 508125, 512190, 569100, 609750, 677500, 711375, 731700, 853650, 914625, 948500, 1016250, 1024380, 1185625, 1219500, 1280475, 1422750, 1524375, 1707300, 1829250, 2032500, 2134125, 2371250, 2560950, 2845500, 3048750, 3556875, 3658500, 4268250, 4573125, 4742500, 5121900, 6097500, 6402375, 7113750, 8536500, 9146250, 10670625, 12804750, 14227500, 18292500, 21341250, 25609500, 32011875, 42682500, 64023750, 128047500]

約数ペア:

[(1, 128047500), (2, 64023750), (3, 42682500), (4, 32011875), (5, 25609500), (6, 21341250), (7, 18292500), (9, 14227500), (10, 12804750), (12, 10670625), (14, 9146250), (15, 8536500), (18, 7113750), (20, 6402375), (21, 6097500), (25, 5121900), (27, 4742500), (28, 4573125), (30, 4268250), (35, 3658500), (36, 3556875), (42, 3048750), (45, 2845500), (50, 2560950), (54, 2371250), (60, 2134125), (63, 2032500), (70, 1829250), (75, 1707300), (84, 1524375), (90, 1422750), (100, 1280475), (105, 1219500), (108, 1185625), (125, 1024380), (126, 1016250), (135, 948500), (140, 914625), (150, 853650), (175, 731700), (180, 711375), (189, 677500), (210, 609750), (225, 569100), (250, 512190), (252, 508125), (270, 474250), (271, 472500), (300, 426825), (315, 406500), (350, 365850), (375, 341460), (378, 338750), (420, 304875), (450, 284550), (500, 256095), (525, 243900), (540, 237125), (542, 236250), (625, 204876), (630, 203250), (675, 189700), (700, 182925), (750, 170730), (756, 169375), (813, 157500), (875, 146340), (900, 142275), (945, 135500), (1050, 121950), (1084, 118125), (1125, 113820), (1250, 102438), (1260, 101625), (1350, 94850), (1355, 94500), (1500, 85365), (1575, 81300), (1626, 78750), (1750, 73170), (1875, 68292), (1890, 67750), (1897, 67500), (2100, 60975), (2250, 56910), (2439, 52500), (2500, 51219), (2625, 48780), (2700, 47425), (2710, 47250), (3150, 40650), (3252, 39375), (3375, 37940), (3500, 36585), (3750, 34146), (3780, 33875), (3794, 33750), (4065, 31500), (4375, 29268), (4500, 28455), (4725, 27100), (4878, 26250), (5250, 24390), (5420, 23625), (5625, 22764), (5691, 22500), (6300, 20325), (6750, 18970), (6775, 18900), (7317, 17500), (7500, 17073), (7588, 16875), (7875, 16260), (8130, 15750), (8750, 14634), (9450, 13550), (9485, 13500), (9756, 13125), (10500, 12195), (11250, 11382)]