81307600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1133

約数の個数: 120

約数和(自身を含む): 225842688

約数和(自身を除く): 144535088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 170, 176, 187, 200, 220, 272, 275, 340, 374, 400, 425, 440, 550, 680, 748, 850, 880, 935, 1087, 1100, 1360, 1496, 1700, 1870, 2174, 2200, 2992, 3400, 3740, 4348, 4400, 4675, 5435, 6800, 7480, 8696, 9350, 10870, 11957, 14960, 17392, 18479, 18700, 21740, 23914, 27175, 36958, 37400, 43480, 47828, 54350, 59785, 73916, 74800, 86960, 92395, 95656, 108700, 119570, 147832, 184790, 191312, 203269, 217400, 239140, 295664, 298925, 369580, 406538, 434800, 461975, 478280, 597850, 739160, 813076, 923950, 956560, 1016345, 1195700, 1478320, 1626152, 1847900, 2032690, 2391400, 3252304, 3695800, 4065380, 4782800, 5081725, 7391600, 8130760, 10163450, 16261520, 20326900, 40653800, 81307600]

約数ペア:

[(1, 81307600), (2, 40653800), (4, 20326900), (5, 16261520), (8, 10163450), (10, 8130760), (11, 7391600), (16, 5081725), (17, 4782800), (20, 4065380), (22, 3695800), (25, 3252304), (34, 2391400), (40, 2032690), (44, 1847900), (50, 1626152), (55, 1478320), (68, 1195700), (80, 1016345), (85, 956560), (88, 923950), (100, 813076), (110, 739160), (136, 597850), (170, 478280), (176, 461975), (187, 434800), (200, 406538), (220, 369580), (272, 298925), (275, 295664), (340, 239140), (374, 217400), (400, 203269), (425, 191312), (440, 184790), (550, 147832), (680, 119570), (748, 108700), (850, 95656), (880, 92395), (935, 86960), (1087, 74800), (1100, 73916), (1360, 59785), (1496, 54350), (1700, 47828), (1870, 43480), (2174, 37400), (2200, 36958), (2992, 27175), (3400, 23914), (3740, 21740), (4348, 18700), (4400, 18479), (4675, 17392), (5435, 14960), (6800, 11957), (7480, 10870), (8696, 9350)]