187968420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45403}}^1$

素因数の和:45441

約数の個数: 72

約数和(自身を含む): 594974016

約数和(自身を除く): 407005596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 45403, 90806, 136209, 181612, 227015, 272418, 408627, 454030, 544836, 681045, 817254, 908060, 1044269, 1362090, 1634508, 2043135, 2088538, 2724180, 3132807, 4086270, 4177076, 5221345, 6265614, 8172540, 9398421, 10442690, 12531228, 15664035, 18796842, 20885380, 31328070, 37593684, 46992105, 62656140, 93984210, 187968420]

約数ペア:

[(1, 187968420), (2, 93984210), (3, 62656140), (4, 46992105), (5, 37593684), (6, 31328070), (9, 20885380), (10, 18796842), (12, 15664035), (15, 12531228), (18, 10442690), (20, 9398421), (23, 8172540), (30, 6265614), (36, 5221345), (45, 4177076), (46, 4086270), (60, 3132807), (69, 2724180), (90, 2088538), (92, 2043135), (115, 1634508), (138, 1362090), (180, 1044269), (207, 908060), (230, 817254), (276, 681045), (345, 544836), (414, 454030), (460, 408627), (690, 272418), (828, 227015), (1035, 181612), (1380, 136209), (2070, 90806), (4140, 45403)]