156975163975

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{19681}}^1$

素因数の和:20105

約数の個数: 72

約数和(自身を含む): 240386185728

約数和(自身を除く): 83411021753

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 383, 425, 595, 833, 1225, 1915, 2681, 2975, 4165, 6511, 9575, 13405, 18767, 19681, 20825, 32555, 45577, 67025, 93835, 98405, 137767, 162775, 227885, 319039, 334577, 469175, 492025, 688835, 964369, 1139425, 1595195, 1672885, 2342039, 3444175, 4821845, 7537823, 7975975, 8364425, 11710195, 16394273, 24109225, 37689115, 52764761, 58550975, 81971365, 128142991, 188445575, 263823805, 369353327, 409856825, 640714955, 897000937, 1319119025, 1846766635, 3203574775, 4485004685, 6279006559, 9233833175, 22425023425, 31395032795, 156975163975]

約数ペア:

[(1, 156975163975), (5, 31395032795), (7, 22425023425), (17, 9233833175), (25, 6279006559), (35, 4485004685), (49, 3203574775), (85, 1846766635), (119, 1319119025), (175, 897000937), (245, 640714955), (383, 409856825), (425, 369353327), (595, 263823805), (833, 188445575), (1225, 128142991), (1915, 81971365), (2681, 58550975), (2975, 52764761), (4165, 37689115), (6511, 24109225), (9575, 16394273), (13405, 11710195), (18767, 8364425), (19681, 7975975), (20825, 7537823), (32555, 4821845), (45577, 3444175), (67025, 2342039), (93835, 1672885), (98405, 1595195), (137767, 1139425), (162775, 964369), (227885, 688835), (319039, 492025), (334577, 469175)]