31647280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1874

約数の個数: 80

約数和(自身を含む): 86851584

約数和(自身を除く): 55204304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 1823, 2170, 2480, 3472, 3646, 4340, 7292, 8680, 9115, 12761, 14584, 17360, 18230, 25522, 29168, 36460, 51044, 56513, 63805, 72920, 102088, 113026, 127610, 145840, 204176, 226052, 255220, 282565, 395591, 452104, 510440, 565130, 791182, 904208, 1020880, 1130260, 1582364, 1977955, 2260520, 3164728, 3955910, 4521040, 6329456, 7911820, 15823640, 31647280]

約数ペア:

[(1, 31647280), (2, 15823640), (4, 7911820), (5, 6329456), (7, 4521040), (8, 3955910), (10, 3164728), (14, 2260520), (16, 1977955), (20, 1582364), (28, 1130260), (31, 1020880), (35, 904208), (40, 791182), (56, 565130), (62, 510440), (70, 452104), (80, 395591), (112, 282565), (124, 255220), (140, 226052), (155, 204176), (217, 145840), (248, 127610), (280, 113026), (310, 102088), (434, 72920), (496, 63805), (560, 56513), (620, 51044), (868, 36460), (1085, 29168), (1240, 25522), (1736, 18230), (1823, 17360), (2170, 14584), (2480, 12761), (3472, 9115), (3646, 8680), (4340, 7292)]