1808191920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{327571}}^1$

素因数の和:327610

約数の個数: 80

約数和(自身を含む): 5849125632

約数和(自身を除く): 4040933712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 327571, 655142, 982713, 1310284, 1637855, 1965426, 2620568, 3275710, 3930852, 4913565, 5241136, 6551420, 7534133, 7861704, 9827130, 13102840, 15068266, 15723408, 19654260, 22602399, 26205680, 30136532, 37670665, 39308520, 45204798, 60273064, 75341330, 78617040, 90409596, 113011995, 120546128, 150682660, 180819192, 226023990, 301365320, 361638384, 452047980, 602730640, 904095960, 1808191920]

約数ペア:

[(1, 1808191920), (2, 904095960), (3, 602730640), (4, 452047980), (5, 361638384), (6, 301365320), (8, 226023990), (10, 180819192), (12, 150682660), (15, 120546128), (16, 113011995), (20, 90409596), (23, 78617040), (24, 75341330), (30, 60273064), (40, 45204798), (46, 39308520), (48, 37670665), (60, 30136532), (69, 26205680), (80, 22602399), (92, 19654260), (115, 15723408), (120, 15068266), (138, 13102840), (184, 9827130), (230, 7861704), (240, 7534133), (276, 6551420), (345, 5241136), (368, 4913565), (460, 3930852), (552, 3275710), (690, 2620568), (920, 1965426), (1104, 1637855), (1380, 1310284), (1840, 982713), (2760, 655142), (5520, 327571)]