31490340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10711}}^1$

素因数の和:10737

約数の個数: 72

約数和(自身を含む): 102578112

約数和(自身を除く): 71087772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10711, 21422, 32133, 42844, 53555, 64266, 74977, 107110, 128532, 149954, 160665, 214220, 224931, 299908, 321330, 374885, 449862, 524839, 642660, 749770, 899724, 1049678, 1124655, 1499540, 1574517, 2099356, 2249310, 2624195, 3149034, 4498620, 5248390, 6298068, 7872585, 10496780, 15745170, 31490340]

約数ペア:

[(1, 31490340), (2, 15745170), (3, 10496780), (4, 7872585), (5, 6298068), (6, 5248390), (7, 4498620), (10, 3149034), (12, 2624195), (14, 2249310), (15, 2099356), (20, 1574517), (21, 1499540), (28, 1124655), (30, 1049678), (35, 899724), (42, 749770), (49, 642660), (60, 524839), (70, 449862), (84, 374885), (98, 321330), (105, 299908), (140, 224931), (147, 214220), (196, 160665), (210, 149954), (245, 128532), (294, 107110), (420, 74977), (490, 64266), (588, 53555), (735, 42844), (980, 32133), (1470, 21422), (2940, 10711)]