1280527500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{24391}}^1$

素因数の和:24425

約数の個数: 120

約数和(自身を含む): 4267234048

約数和(自身を除く): 2986706548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 625, 700, 750, 875, 1050, 1250, 1500, 1750, 1875, 2100, 2500, 2625, 3500, 3750, 4375, 5250, 7500, 8750, 10500, 13125, 17500, 24391, 26250, 48782, 52500, 73173, 97564, 121955, 146346, 170737, 243910, 292692, 341474, 365865, 487820, 512211, 609775, 682948, 731730, 853685, 1024422, 1219550, 1463460, 1707370, 1829325, 2048844, 2439100, 2561055, 3048875, 3414740, 3658650, 4268425, 5122110, 6097750, 7317300, 8536850, 9146625, 10244220, 12195500, 12805275, 15244375, 17073700, 18293250, 21342125, 25610550, 30488750, 36586500, 42684250, 45733125, 51221100, 60977500, 64026375, 85368500, 91466250, 106710625, 128052750, 182932500, 213421250, 256105500, 320131875, 426842500, 640263750, 1280527500]

約数ペア:

[(1, 1280527500), (2, 640263750), (3, 426842500), (4, 320131875), (5, 256105500), (6, 213421250), (7, 182932500), (10, 128052750), (12, 106710625), (14, 91466250), (15, 85368500), (20, 64026375), (21, 60977500), (25, 51221100), (28, 45733125), (30, 42684250), (35, 36586500), (42, 30488750), (50, 25610550), (60, 21342125), (70, 18293250), (75, 17073700), (84, 15244375), (100, 12805275), (105, 12195500), (125, 10244220), (140, 9146625), (150, 8536850), (175, 7317300), (210, 6097750), (250, 5122110), (300, 4268425), (350, 3658650), (375, 3414740), (420, 3048875), (500, 2561055), (525, 2439100), (625, 2048844), (700, 1829325), (750, 1707370), (875, 1463460), (1050, 1219550), (1250, 1024422), (1500, 853685), (1750, 731730), (1875, 682948), (2100, 609775), (2500, 512211), (2625, 487820), (3500, 365865), (3750, 341474), (4375, 292692), (5250, 243910), (7500, 170737), (8750, 146346), (10500, 121955), (13125, 97564), (17500, 73173), (24391, 52500), (26250, 48782)]