30212640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{20981}}^1$

素因数の和:21002

約数の個数: 72

約数和(自身を含む): 103105548

約数和(自身を除く): 72892908

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 20981, 41962, 62943, 83924, 104905, 125886, 167848, 188829, 209810, 251772, 314715, 335696, 377658, 419620, 503544, 629430, 671392, 755316, 839240, 944145, 1007088, 1258860, 1510632, 1678480, 1888290, 2014176, 2517720, 3021264, 3356960, 3776580, 5035440, 6042528, 7553160, 10070880, 15106320, 30212640]

約数ペア:

[(1, 30212640), (2, 15106320), (3, 10070880), (4, 7553160), (5, 6042528), (6, 5035440), (8, 3776580), (9, 3356960), (10, 3021264), (12, 2517720), (15, 2014176), (16, 1888290), (18, 1678480), (20, 1510632), (24, 1258860), (30, 1007088), (32, 944145), (36, 839240), (40, 755316), (45, 671392), (48, 629430), (60, 503544), (72, 419620), (80, 377658), (90, 335696), (96, 314715), (120, 251772), (144, 209810), (160, 188829), (180, 167848), (240, 125886), (288, 104905), (360, 83924), (480, 62943), (720, 41962), (1440, 20981)]