31423920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11903}}^1$

素因数の和:11930

約数の個数: 80

約数和(自身を含む): 106278912

約数和(自身を除く): 74854992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 11903, 23806, 35709, 47612, 59515, 71418, 95224, 119030, 130933, 142836, 178545, 190448, 238060, 261866, 285672, 357090, 392799, 476120, 523732, 571344, 654665, 714180, 785598, 952240, 1047464, 1309330, 1428360, 1571196, 1963995, 2094928, 2618660, 2856720, 3142392, 3927990, 5237320, 6284784, 7855980, 10474640, 15711960, 31423920]

約数ペア:

[(1, 31423920), (2, 15711960), (3, 10474640), (4, 7855980), (5, 6284784), (6, 5237320), (8, 3927990), (10, 3142392), (11, 2856720), (12, 2618660), (15, 2094928), (16, 1963995), (20, 1571196), (22, 1428360), (24, 1309330), (30, 1047464), (33, 952240), (40, 785598), (44, 714180), (48, 654665), (55, 571344), (60, 523732), (66, 476120), (80, 392799), (88, 357090), (110, 285672), (120, 261866), (132, 238060), (165, 190448), (176, 178545), (220, 142836), (240, 130933), (264, 119030), (330, 95224), (440, 71418), (528, 59515), (660, 47612), (880, 35709), (1320, 23806), (2640, 11903)]