81761640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8209}}^1$

素因数の和:8306

約数の個数: 64

約数和(自身を含む): 248270400

約数和(自身を除く): 166508760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2490, 3320, 4980, 8209, 9960, 16418, 24627, 32836, 41045, 49254, 65672, 82090, 98508, 123135, 164180, 197016, 246270, 328360, 492540, 681347, 985080, 1362694, 2044041, 2725388, 3406735, 4088082, 5450776, 6813470, 8176164, 10220205, 13626940, 16352328, 20440410, 27253880, 40880820, 81761640]

約数ペア:

[(1, 81761640), (2, 40880820), (3, 27253880), (4, 20440410), (5, 16352328), (6, 13626940), (8, 10220205), (10, 8176164), (12, 6813470), (15, 5450776), (20, 4088082), (24, 3406735), (30, 2725388), (40, 2044041), (60, 1362694), (83, 985080), (120, 681347), (166, 492540), (249, 328360), (332, 246270), (415, 197016), (498, 164180), (664, 123135), (830, 98508), (996, 82090), (1245, 65672), (1660, 49254), (1992, 41045), (2490, 32836), (3320, 24627), (4980, 16418), (8209, 9960)]