121666880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20011}}^1$

素因数の和:20047

約数の個数: 56

約数和(自身を含む): 304982880

約数和(自身を除く): 183316000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 20011, 40022, 80044, 100055, 160088, 200110, 320176, 380209, 400220, 640352, 760418, 800440, 1280704, 1520836, 1600880, 1901045, 3041672, 3201760, 3802090, 6083344, 6403520, 7604180, 12166688, 15208360, 24333376, 30416720, 60833440, 121666880]

約数ペア:

[(1, 121666880), (2, 60833440), (4, 30416720), (5, 24333376), (8, 15208360), (10, 12166688), (16, 7604180), (19, 6403520), (20, 6083344), (32, 3802090), (38, 3201760), (40, 3041672), (64, 1901045), (76, 1600880), (80, 1520836), (95, 1280704), (152, 800440), (160, 760418), (190, 640352), (304, 400220), (320, 380209), (380, 320176), (608, 200110), (760, 160088), (1216, 100055), (1520, 80044), (3040, 40022), (6080, 20011)]