31284120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37243}}^1$

素因数の和:37264

約数の個数: 64

約数和(自身を含む): 107262720

約数和(自身を除く): 75978600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 37243, 74486, 111729, 148972, 186215, 223458, 260701, 297944, 372430, 446916, 521402, 558645, 744860, 782103, 893832, 1042804, 1117290, 1303505, 1489720, 1564206, 2085608, 2234580, 2607010, 3128412, 3910515, 4469160, 5214020, 6256824, 7821030, 10428040, 15642060, 31284120]

約数ペア:

[(1, 31284120), (2, 15642060), (3, 10428040), (4, 7821030), (5, 6256824), (6, 5214020), (7, 4469160), (8, 3910515), (10, 3128412), (12, 2607010), (14, 2234580), (15, 2085608), (20, 1564206), (21, 1489720), (24, 1303505), (28, 1117290), (30, 1042804), (35, 893832), (40, 782103), (42, 744860), (56, 558645), (60, 521402), (70, 446916), (84, 372430), (105, 297944), (120, 260701), (140, 223458), (168, 186215), (210, 148972), (280, 111729), (420, 74486), (840, 37243)]