30679880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1423}}^1$

素因数の和:1459

約数の個数: 96

約数和(自身を含む): 87661440

約数和(自身を除く): 56981560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1423, 1540, 1960, 2156, 2695, 2846, 3080, 4312, 5390, 5692, 7115, 9961, 10780, 11384, 14230, 15653, 19922, 21560, 28460, 31306, 39844, 49805, 56920, 62612, 69727, 78265, 79688, 99610, 109571, 125224, 139454, 156530, 199220, 219142, 278908, 313060, 348635, 398440, 438284, 547855, 557816, 626120, 697270, 766997, 876568, 1095710, 1394540, 1533994, 2191420, 2789080, 3067988, 3834985, 4382840, 6135976, 7669970, 15339940, 30679880]

約数ペア:

[(1, 30679880), (2, 15339940), (4, 7669970), (5, 6135976), (7, 4382840), (8, 3834985), (10, 3067988), (11, 2789080), (14, 2191420), (20, 1533994), (22, 1394540), (28, 1095710), (35, 876568), (40, 766997), (44, 697270), (49, 626120), (55, 557816), (56, 547855), (70, 438284), (77, 398440), (88, 348635), (98, 313060), (110, 278908), (140, 219142), (154, 199220), (196, 156530), (220, 139454), (245, 125224), (280, 109571), (308, 99610), (385, 79688), (392, 78265), (440, 69727), (490, 62612), (539, 56920), (616, 49805), (770, 39844), (980, 31306), (1078, 28460), (1423, 21560), (1540, 19922), (1960, 15653), (2156, 14230), (2695, 11384), (2846, 10780), (3080, 9961), (4312, 7115), (5390, 5692)]