72643365040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1\times {\mathrm{62327}}^1$

素因数の和:63214

約数の個数: 80

約数和(自身を含む): 179042415552

約数和(自身を除く): 106399050512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 857, 1360, 1714, 3428, 4285, 6856, 8570, 13712, 14569, 17140, 29138, 34280, 58276, 62327, 68560, 72845, 116552, 124654, 145690, 233104, 249308, 291380, 311635, 498616, 582760, 623270, 997232, 1059559, 1165520, 1246540, 2119118, 2493080, 4238236, 4986160, 5297795, 8476472, 10595590, 16952944, 21191180, 42382360, 53414239, 84764720, 106828478, 213656956, 267071195, 427313912, 534142390, 854627824, 908042063, 1068284780, 1816084126, 2136569560, 3632168252, 4273139120, 4540210315, 7264336504, 9080420630, 14528673008, 18160841260, 36321682520, 72643365040]

約数ペア:

[(1, 72643365040), (2, 36321682520), (4, 18160841260), (5, 14528673008), (8, 9080420630), (10, 7264336504), (16, 4540210315), (17, 4273139120), (20, 3632168252), (34, 2136569560), (40, 1816084126), (68, 1068284780), (80, 908042063), (85, 854627824), (136, 534142390), (170, 427313912), (272, 267071195), (340, 213656956), (680, 106828478), (857, 84764720), (1360, 53414239), (1714, 42382360), (3428, 21191180), (4285, 16952944), (6856, 10595590), (8570, 8476472), (13712, 5297795), (14569, 4986160), (17140, 4238236), (29138, 2493080), (34280, 2119118), (58276, 1246540), (62327, 1165520), (68560, 1059559), (72845, 997232), (116552, 623270), (124654, 582760), (145690, 498616), (233104, 311635), (249308, 291380)]