216484160

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:344

約数の個数: 112

約数和(自身を含む): 539374080

約数和(自身を除く): 322889920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 139, 155, 157, 160, 248, 278, 310, 314, 320, 496, 556, 620, 628, 695, 785, 992, 1112, 1240, 1256, 1390, 1570, 1984, 2224, 2480, 2512, 2780, 3140, 4309, 4448, 4867, 4960, 5024, 5560, 6280, 8618, 8896, 9734, 9920, 10048, 11120, 12560, 17236, 19468, 21545, 21823, 22240, 24335, 25120, 34472, 38936, 43090, 43646, 44480, 48670, 50240, 68944, 77872, 86180, 87292, 97340, 109115, 137888, 155744, 172360, 174584, 194680, 218230, 275776, 311488, 344720, 349168, 389360, 436460, 676513, 689440, 698336, 778720, 872920, 1353026, 1378880, 1396672, 1557440, 1745840, 2706052, 3382565, 3491680, 5412104, 6765130, 6983360, 10824208, 13530260, 21648416, 27060520, 43296832, 54121040, 108242080, 216484160]

約数ペア:

[(1, 216484160), (2, 108242080), (4, 54121040), (5, 43296832), (8, 27060520), (10, 21648416), (16, 13530260), (20, 10824208), (31, 6983360), (32, 6765130), (40, 5412104), (62, 3491680), (64, 3382565), (80, 2706052), (124, 1745840), (139, 1557440), (155, 1396672), (157, 1378880), (160, 1353026), (248, 872920), (278, 778720), (310, 698336), (314, 689440), (320, 676513), (496, 436460), (556, 389360), (620, 349168), (628, 344720), (695, 311488), (785, 275776), (992, 218230), (1112, 194680), (1240, 174584), (1256, 172360), (1390, 155744), (1570, 137888), (1984, 109115), (2224, 97340), (2480, 87292), (2512, 86180), (2780, 77872), (3140, 68944), (4309, 50240), (4448, 48670), (4867, 44480), (4960, 43646), (5024, 43090), (5560, 38936), (6280, 34472), (8618, 25120), (8896, 24335), (9734, 22240), (9920, 21823), (10048, 21545), (11120, 19468), (12560, 17236)]