1285341720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{4603}}^1$

素因数の和:4809

約数の個数: 128

約数和(自身を含む): 4176748800

約数和(自身を除く): 2891407080

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, 179, 195, 260, 312, 358, 390, 520, 537, 716, 780, 895, 1074, 1432, 1560, 1790, 2148, 2327, 2685, 3580, 4296, 4603, 4654, 5370, 6981, 7160, 9206, 9308, 10740, 11635, 13809, 13962, 18412, 18616, 21480, 23015, 23270, 27618, 27924, 34905, 36824, 46030, 46540, 55236, 55848, 59839, 69045, 69810, 92060, 93080, 110472, 119678, 138090, 139620, 179517, 184120, 239356, 276180, 279240, 299195, 359034, 478712, 552360, 598390, 718068, 823937, 897585, 1196780, 1436136, 1647874, 1795170, 2393560, 2471811, 3295748, 3590340, 4119685, 4943622, 6591496, 7180680, 8239370, 9887244, 10711181, 12359055, 16478740, 19774488, 21422362, 24718110, 32133543, 32957480, 42844724, 49436220, 53555905, 64267086, 85689448, 98872440, 107111810, 128534172, 160667715, 214223620, 257068344, 321335430, 428447240, 642670860, 1285341720]

約数ペア:

[(1, 1285341720), (2, 642670860), (3, 428447240), (4, 321335430), (5, 257068344), (6, 214223620), (8, 160667715), (10, 128534172), (12, 107111810), (13, 98872440), (15, 85689448), (20, 64267086), (24, 53555905), (26, 49436220), (30, 42844724), (39, 32957480), (40, 32133543), (52, 24718110), (60, 21422362), (65, 19774488), (78, 16478740), (104, 12359055), (120, 10711181), (130, 9887244), (156, 8239370), (179, 7180680), (195, 6591496), (260, 4943622), (312, 4119685), (358, 3590340), (390, 3295748), (520, 2471811), (537, 2393560), (716, 1795170), (780, 1647874), (895, 1436136), (1074, 1196780), (1432, 897585), (1560, 823937), (1790, 718068), (2148, 598390), (2327, 552360), (2685, 478712), (3580, 359034), (4296, 299195), (4603, 279240), (4654, 276180), (5370, 239356), (6981, 184120), (7160, 179517), (9206, 139620), (9308, 138090), (10740, 119678), (11635, 110472), (13809, 93080), (13962, 92060), (18412, 69810), (18616, 69045), (21480, 59839), (23015, 55848), (23270, 55236), (27618, 46540), (27924, 46030), (34905, 36824)]