138688680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{88903}}^1$

素因数の和:88930

約数の個数: 64

約数和(自身を含む): 448076160

約数和(自身を除く): 309387480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 88903, 177806, 266709, 355612, 444515, 533418, 711224, 889030, 1066836, 1155739, 1333545, 1778060, 2133672, 2311478, 2667090, 3467217, 3556120, 4622956, 5334180, 5778695, 6934434, 9245912, 10668360, 11557390, 13868868, 17336085, 23114780, 27737736, 34672170, 46229560, 69344340, 138688680]

約数ペア:

[(1, 138688680), (2, 69344340), (3, 46229560), (4, 34672170), (5, 27737736), (6, 23114780), (8, 17336085), (10, 13868868), (12, 11557390), (13, 10668360), (15, 9245912), (20, 6934434), (24, 5778695), (26, 5334180), (30, 4622956), (39, 3556120), (40, 3467217), (52, 2667090), (60, 2311478), (65, 2133672), (78, 1778060), (104, 1333545), (120, 1155739), (130, 1066836), (156, 889030), (195, 711224), (260, 533418), (312, 444515), (390, 355612), (520, 266709), (780, 177806), (1560, 88903)]