16380540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8273}}^1$

素因数の和:8299

約数の個数: 72

約数和(自身を含む): 54211248

約数和(自身を除く): 37830708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8273, 16546, 24819, 33092, 41365, 49638, 74457, 82730, 91003, 99276, 124095, 148914, 165460, 182006, 248190, 273009, 297828, 364012, 372285, 455015, 496380, 546018, 744570, 819027, 910030, 1092036, 1365045, 1489140, 1638054, 1820060, 2730090, 3276108, 4095135, 5460180, 8190270, 16380540]

約数ペア:

[(1, 16380540), (2, 8190270), (3, 5460180), (4, 4095135), (5, 3276108), (6, 2730090), (9, 1820060), (10, 1638054), (11, 1489140), (12, 1365045), (15, 1092036), (18, 910030), (20, 819027), (22, 744570), (30, 546018), (33, 496380), (36, 455015), (44, 372285), (45, 364012), (55, 297828), (60, 273009), (66, 248190), (90, 182006), (99, 165460), (110, 148914), (132, 124095), (165, 99276), (180, 91003), (198, 82730), (220, 74457), (330, 49638), (396, 41365), (495, 33092), (660, 24819), (990, 16546), (1980, 8273)]