81831200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{547}}^1$

素因数の和:595

約数の個数: 144

約数和(自身を含む): 231172704

約数和(自身を除く): 149341504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 32, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 160, 170, 176, 187, 200, 220, 272, 275, 340, 352, 374, 400, 425, 440, 544, 547, 550, 680, 748, 800, 850, 880, 935, 1094, 1100, 1360, 1496, 1700, 1760, 1870, 2188, 2200, 2720, 2735, 2992, 3400, 3740, 4376, 4400, 4675, 5470, 5984, 6017, 6800, 7480, 8752, 8800, 9299, 9350, 10940, 12034, 13600, 13675, 14960, 17504, 18598, 18700, 21880, 24068, 27350, 29920, 30085, 37196, 37400, 43760, 46495, 48136, 54700, 60170, 74392, 74800, 87520, 92990, 96272, 102289, 109400, 120340, 148784, 149600, 150425, 185980, 192544, 204578, 218800, 232475, 240680, 297568, 300850, 371960, 409156, 437600, 464950, 481360, 511445, 601700, 743920, 818312, 929900, 962720, 1022890, 1203400, 1487840, 1636624, 1859800, 2045780, 2406800, 2557225, 3273248, 3719600, 4091560, 4813600, 5114450, 7439200, 8183120, 10228900, 16366240, 20457800, 40915600, 81831200]

約数ペア:

[(1, 81831200), (2, 40915600), (4, 20457800), (5, 16366240), (8, 10228900), (10, 8183120), (11, 7439200), (16, 5114450), (17, 4813600), (20, 4091560), (22, 3719600), (25, 3273248), (32, 2557225), (34, 2406800), (40, 2045780), (44, 1859800), (50, 1636624), (55, 1487840), (68, 1203400), (80, 1022890), (85, 962720), (88, 929900), (100, 818312), (110, 743920), (136, 601700), (160, 511445), (170, 481360), (176, 464950), (187, 437600), (200, 409156), (220, 371960), (272, 300850), (275, 297568), (340, 240680), (352, 232475), (374, 218800), (400, 204578), (425, 192544), (440, 185980), (544, 150425), (547, 149600), (550, 148784), (680, 120340), (748, 109400), (800, 102289), (850, 96272), (880, 92990), (935, 87520), (1094, 74800), (1100, 74392), (1360, 60170), (1496, 54700), (1700, 48136), (1760, 46495), (1870, 43760), (2188, 37400), (2200, 37196), (2720, 30085), (2735, 29920), (2992, 27350), (3400, 24068), (3740, 21880), (4376, 18700), (4400, 18598), (4675, 17504), (5470, 14960), (5984, 13675), (6017, 13600), (6800, 12034), (7480, 10940), (8752, 9350), (8800, 9299)]