80911620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7369}}^1$

素因数の和:7445

約数の個数: 72

約数和(自身を含む): 249489240

約数和(自身を除く): 168577620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 7369, 10980, 14738, 22107, 29476, 36845, 44214, 66321, 73690, 88428, 110535, 132642, 147380, 221070, 265284, 331605, 442140, 449509, 663210, 899018, 1326420, 1348527, 1798036, 2247545, 2697054, 4045581, 4495090, 5394108, 6742635, 8091162, 8990180, 13485270, 16182324, 20227905, 26970540, 40455810, 80911620]

約数ペア:

[(1, 80911620), (2, 40455810), (3, 26970540), (4, 20227905), (5, 16182324), (6, 13485270), (9, 8990180), (10, 8091162), (12, 6742635), (15, 5394108), (18, 4495090), (20, 4045581), (30, 2697054), (36, 2247545), (45, 1798036), (60, 1348527), (61, 1326420), (90, 899018), (122, 663210), (180, 449509), (183, 442140), (244, 331605), (305, 265284), (366, 221070), (549, 147380), (610, 132642), (732, 110535), (915, 88428), (1098, 73690), (1220, 66321), (1830, 44214), (2196, 36845), (2745, 29476), (3660, 22107), (5490, 14738), (7369, 10980)]