64667320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1648

約数の個数: 64

約数和(自身を含む): 156686400

約数和(自身を除く): 92019080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 1559, 2074, 2440, 3118, 4148, 5185, 6236, 7795, 8296, 10370, 12472, 15590, 20740, 26503, 31180, 41480, 53006, 62360, 95099, 106012, 132515, 190198, 212024, 265030, 380396, 475495, 530060, 760792, 950990, 1060120, 1616683, 1901980, 3233366, 3803960, 6466732, 8083415, 12933464, 16166830, 32333660, 64667320]

約数ペア:

[(1, 64667320), (2, 32333660), (4, 16166830), (5, 12933464), (8, 8083415), (10, 6466732), (17, 3803960), (20, 3233366), (34, 1901980), (40, 1616683), (61, 1060120), (68, 950990), (85, 760792), (122, 530060), (136, 475495), (170, 380396), (244, 265030), (305, 212024), (340, 190198), (488, 132515), (610, 106012), (680, 95099), (1037, 62360), (1220, 53006), (1559, 41480), (2074, 31180), (2440, 26503), (3118, 20740), (4148, 15590), (5185, 12472), (6236, 10370), (7795, 8296)]