80481780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5387}}^1$

素因数の和:5485

約数の個数: 72

約数和(自身を含む): 247115232

約数和(自身を除く): 166633452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 5387, 7470, 10774, 14940, 16161, 21548, 26935, 32322, 48483, 53870, 64644, 80805, 96966, 107740, 161610, 193932, 242415, 323220, 447121, 484830, 894242, 969660, 1341363, 1788484, 2235605, 2682726, 4024089, 4471210, 5365452, 6706815, 8048178, 8942420, 13413630, 16096356, 20120445, 26827260, 40240890, 80481780]

約数ペア:

[(1, 80481780), (2, 40240890), (3, 26827260), (4, 20120445), (5, 16096356), (6, 13413630), (9, 8942420), (10, 8048178), (12, 6706815), (15, 5365452), (18, 4471210), (20, 4024089), (30, 2682726), (36, 2235605), (45, 1788484), (60, 1341363), (83, 969660), (90, 894242), (166, 484830), (180, 447121), (249, 323220), (332, 242415), (415, 193932), (498, 161610), (747, 107740), (830, 96966), (996, 80805), (1245, 64644), (1494, 53870), (1660, 48483), (2490, 32322), (2988, 26935), (3735, 21548), (4980, 16161), (5387, 14940), (7470, 10774)]