1320231055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 1974873600

約数和(自身を除く): 654642545

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 157, 209, 247, 619, 715, 785, 1045, 1235, 1727, 2041, 2717, 2983, 3095, 6809, 8047, 8635, 10205, 11761, 13585, 14915, 22451, 32813, 34045, 38779, 40235, 58805, 88517, 97183, 112255, 129371, 152893, 164065, 193895, 426569, 442585, 485915, 646855, 764465, 1069013, 1263379, 1681823, 1846477, 2132845, 5345065, 6316895, 8409115, 9232385, 13897169, 20311247, 24004201, 69485845, 101556235, 120021005, 264046211, 1320231055]

約数ペア:

[(1, 1320231055), (5, 264046211), (11, 120021005), (13, 101556235), (19, 69485845), (55, 24004201), (65, 20311247), (95, 13897169), (143, 9232385), (157, 8409115), (209, 6316895), (247, 5345065), (619, 2132845), (715, 1846477), (785, 1681823), (1045, 1263379), (1235, 1069013), (1727, 764465), (2041, 646855), (2717, 485915), (2983, 442585), (3095, 426569), (6809, 193895), (8047, 164065), (8635, 152893), (10205, 129371), (11761, 112255), (13585, 97183), (14915, 88517), (22451, 58805), (32813, 40235), (34045, 38779)]