261720240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{29473}}^1$

素因数の和:29526

約数の個数: 80

約数和(自身を含む): 833288928

約数和(自身を除く): 571568688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 29473, 58946, 88419, 117892, 147365, 176838, 235784, 294730, 353676, 442095, 471568, 589460, 707352, 884190, 1090501, 1178920, 1414704, 1768380, 2181002, 2357840, 3271503, 3536760, 4362004, 5452505, 6543006, 7073520, 8724008, 10905010, 13086012, 16357515, 17448016, 21810020, 26172024, 32715030, 43620040, 52344048, 65430060, 87240080, 130860120, 261720240]

約数ペア:

[(1, 261720240), (2, 130860120), (3, 87240080), (4, 65430060), (5, 52344048), (6, 43620040), (8, 32715030), (10, 26172024), (12, 21810020), (15, 17448016), (16, 16357515), (20, 13086012), (24, 10905010), (30, 8724008), (37, 7073520), (40, 6543006), (48, 5452505), (60, 4362004), (74, 3536760), (80, 3271503), (111, 2357840), (120, 2181002), (148, 1768380), (185, 1414704), (222, 1178920), (240, 1090501), (296, 884190), (370, 707352), (444, 589460), (555, 471568), (592, 442095), (740, 353676), (888, 294730), (1110, 235784), (1480, 176838), (1776, 147365), (2220, 117892), (2960, 88419), (4440, 58946), (8880, 29473)]