640928232

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{181669}}^1$

素因数の和:181695

約数の個数: 72

約数和(自身を含む): 2019262050

約数和(自身を除く): 1378333818

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 181669, 363338, 545007, 726676, 1090014, 1271683, 1453352, 1635021, 2180028, 2543366, 3270042, 3815049, 4360056, 5086732, 6540084, 7630098, 8901781, 10173464, 11445147, 13080168, 15260196, 17803562, 22890294, 26705343, 30520392, 35607124, 45780588, 53410686, 71214248, 80116029, 91561176, 106821372, 160232058, 213642744, 320464116, 640928232]

約数ペア:

[(1, 640928232), (2, 320464116), (3, 213642744), (4, 160232058), (6, 106821372), (7, 91561176), (8, 80116029), (9, 71214248), (12, 53410686), (14, 45780588), (18, 35607124), (21, 30520392), (24, 26705343), (28, 22890294), (36, 17803562), (42, 15260196), (49, 13080168), (56, 11445147), (63, 10173464), (72, 8901781), (84, 7630098), (98, 6540084), (126, 5086732), (147, 4360056), (168, 3815049), (196, 3270042), (252, 2543366), (294, 2180028), (392, 1635021), (441, 1453352), (504, 1271683), (588, 1090014), (882, 726676), (1176, 545007), (1764, 363338), (3528, 181669)]