64611560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7309}}^1$

素因数の和:7350

約数の個数: 64

約数和(自身を含む): 165790800

約数和(自身を除く): 101179240

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 7309, 8840, 14618, 29236, 36545, 58472, 73090, 95017, 124253, 146180, 190034, 248506, 292360, 380068, 475085, 497012, 621265, 760136, 950170, 994024, 1242530, 1615289, 1900340, 2485060, 3230578, 3800680, 4970120, 6461156, 8076445, 12922312, 16152890, 32305780, 64611560]

約数ペア:

[(1, 64611560), (2, 32305780), (4, 16152890), (5, 12922312), (8, 8076445), (10, 6461156), (13, 4970120), (17, 3800680), (20, 3230578), (26, 2485060), (34, 1900340), (40, 1615289), (52, 1242530), (65, 994024), (68, 950170), (85, 760136), (104, 621265), (130, 497012), (136, 475085), (170, 380068), (221, 292360), (260, 248506), (340, 190034), (442, 146180), (520, 124253), (680, 95017), (884, 73090), (1105, 58472), (1768, 36545), (2210, 29236), (4420, 14618), (7309, 8840)]