81077700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 259983360

約数和(自身を除く): 178905660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 79, 100, 110, 132, 150, 158, 165, 220, 237, 275, 300, 311, 316, 330, 395, 474, 550, 622, 660, 790, 825, 869, 933, 948, 1100, 1185, 1244, 1555, 1580, 1650, 1738, 1866, 1975, 2370, 2607, 3110, 3300, 3421, 3476, 3732, 3950, 4345, 4665, 4740, 5214, 5925, 6220, 6842, 7775, 7900, 8690, 9330, 10263, 10428, 11850, 13035, 13684, 15550, 17105, 17380, 18660, 20526, 21725, 23325, 23700, 24569, 26070, 31100, 34210, 41052, 43450, 46650, 49138, 51315, 52140, 65175, 68420, 73707, 85525, 86900, 93300, 98276, 102630, 122845, 130350, 147414, 171050, 205260, 245690, 256575, 260700, 270259, 294828, 342100, 368535, 491380, 513150, 540518, 614225, 737070, 810777, 1026300, 1081036, 1228450, 1351295, 1474140, 1621554, 1842675, 2456900, 2702590, 3243108, 3685350, 4053885, 5405180, 6756475, 7370700, 8107770, 13512950, 16215540, 20269425, 27025900, 40538850, 81077700]

約数ペア:

[(1, 81077700), (2, 40538850), (3, 27025900), (4, 20269425), (5, 16215540), (6, 13512950), (10, 8107770), (11, 7370700), (12, 6756475), (15, 5405180), (20, 4053885), (22, 3685350), (25, 3243108), (30, 2702590), (33, 2456900), (44, 1842675), (50, 1621554), (55, 1474140), (60, 1351295), (66, 1228450), (75, 1081036), (79, 1026300), (100, 810777), (110, 737070), (132, 614225), (150, 540518), (158, 513150), (165, 491380), (220, 368535), (237, 342100), (275, 294828), (300, 270259), (311, 260700), (316, 256575), (330, 245690), (395, 205260), (474, 171050), (550, 147414), (622, 130350), (660, 122845), (790, 102630), (825, 98276), (869, 93300), (933, 86900), (948, 85525), (1100, 73707), (1185, 68420), (1244, 65175), (1555, 52140), (1580, 51315), (1650, 49138), (1738, 46650), (1866, 43450), (1975, 41052), (2370, 34210), (2607, 31100), (3110, 26070), (3300, 24569), (3421, 23700), (3476, 23325), (3732, 21725), (3950, 20526), (4345, 18660), (4665, 17380), (4740, 17105), (5214, 15550), (5925, 13684), (6220, 13035), (6842, 11850), (7775, 10428), (7900, 10263), (8690, 9330)]