81017760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2767}}^1$

素因数の和:2846

約数の個数: 96

約数和(自身を含む): 259483392

約数和(自身を除く): 178465632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 240, 244, 305, 366, 480, 488, 610, 732, 915, 976, 1220, 1464, 1830, 1952, 2440, 2767, 2928, 3660, 4880, 5534, 5856, 7320, 8301, 9760, 11068, 13835, 14640, 16602, 22136, 27670, 29280, 33204, 41505, 44272, 55340, 66408, 83010, 88544, 110680, 132816, 166020, 168787, 221360, 265632, 332040, 337574, 442720, 506361, 664080, 675148, 843935, 1012722, 1328160, 1350296, 1687870, 2025444, 2531805, 2700592, 3375740, 4050888, 5063610, 5401184, 6751480, 8101776, 10127220, 13502960, 16203552, 20254440, 27005920, 40508880, 81017760]

約数ペア:

[(1, 81017760), (2, 40508880), (3, 27005920), (4, 20254440), (5, 16203552), (6, 13502960), (8, 10127220), (10, 8101776), (12, 6751480), (15, 5401184), (16, 5063610), (20, 4050888), (24, 3375740), (30, 2700592), (32, 2531805), (40, 2025444), (48, 1687870), (60, 1350296), (61, 1328160), (80, 1012722), (96, 843935), (120, 675148), (122, 664080), (160, 506361), (183, 442720), (240, 337574), (244, 332040), (305, 265632), (366, 221360), (480, 168787), (488, 166020), (610, 132816), (732, 110680), (915, 88544), (976, 83010), (1220, 66408), (1464, 55340), (1830, 44272), (1952, 41505), (2440, 33204), (2767, 29280), (2928, 27670), (3660, 22136), (4880, 16602), (5534, 14640), (5856, 13835), (7320, 11068), (8301, 9760)]