78720420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:577

約数の個数: 96

約数和(自身を含む): 233856000

約数和(自身を除く): 155135580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 199, 228, 285, 347, 380, 398, 570, 597, 694, 796, 995, 1041, 1140, 1194, 1388, 1735, 1990, 2082, 2388, 2985, 3470, 3781, 3980, 4164, 5205, 5970, 6593, 6940, 7562, 10410, 11343, 11940, 13186, 15124, 18905, 19779, 20820, 22686, 26372, 32965, 37810, 39558, 45372, 56715, 65930, 69053, 75620, 79116, 98895, 113430, 131860, 138106, 197790, 207159, 226860, 276212, 345265, 395580, 414318, 690530, 828636, 1035795, 1312007, 1381060, 2071590, 2624014, 3936021, 4143180, 5248028, 6560035, 7872042, 13120070, 15744084, 19680105, 26240140, 39360210, 78720420]

約数ペア:

[(1, 78720420), (2, 39360210), (3, 26240140), (4, 19680105), (5, 15744084), (6, 13120070), (10, 7872042), (12, 6560035), (15, 5248028), (19, 4143180), (20, 3936021), (30, 2624014), (38, 2071590), (57, 1381060), (60, 1312007), (76, 1035795), (95, 828636), (114, 690530), (190, 414318), (199, 395580), (228, 345265), (285, 276212), (347, 226860), (380, 207159), (398, 197790), (570, 138106), (597, 131860), (694, 113430), (796, 98895), (995, 79116), (1041, 75620), (1140, 69053), (1194, 65930), (1388, 56715), (1735, 45372), (1990, 39558), (2082, 37810), (2388, 32965), (2985, 26372), (3470, 22686), (3781, 20820), (3980, 19779), (4164, 18905), (5205, 15124), (5970, 13186), (6593, 11940), (6940, 11343), (7562, 10410)]