56881720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3833}}^1$

素因数の和:3904

約数の個数: 64

約数和(自身を含む): 149065920

約数和(自身を除く): 92184200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 3833, 7420, 7666, 14840, 15332, 19165, 26831, 30664, 38330, 53662, 76660, 107324, 134155, 153320, 203149, 214648, 268310, 406298, 536620, 812596, 1015745, 1073240, 1422043, 1625192, 2031490, 2844086, 4062980, 5688172, 7110215, 8125960, 11376344, 14220430, 28440860, 56881720]

約数ペア:

[(1, 56881720), (2, 28440860), (4, 14220430), (5, 11376344), (7, 8125960), (8, 7110215), (10, 5688172), (14, 4062980), (20, 2844086), (28, 2031490), (35, 1625192), (40, 1422043), (53, 1073240), (56, 1015745), (70, 812596), (106, 536620), (140, 406298), (212, 268310), (265, 214648), (280, 203149), (371, 153320), (424, 134155), (530, 107324), (742, 76660), (1060, 53662), (1484, 38330), (1855, 30664), (2120, 26831), (2968, 19165), (3710, 15332), (3833, 14840), (7420, 7666)]