157440840

素因数分解:

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

素因数の和:579

約数の個数: 128

約数和(自身を含む): 501120000

約数和(自身を除く): 343679160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 199, 228, 285, 347, 380, 398, 456, 570, 597, 694, 760, 796, 995, 1041, 1140, 1194, 1388, 1592, 1735, 1990, 2082, 2280, 2388, 2776, 2985, 3470, 3781, 3980, 4164, 4776, 5205, 5970, 6593, 6940, 7562, 7960, 8328, 10410, 11343, 11940, 13186, 13880, 15124, 18905, 19779, 20820, 22686, 23880, 26372, 30248, 32965, 37810, 39558, 41640, 45372, 52744, 56715, 65930, 69053, 75620, 79116, 90744, 98895, 113430, 131860, 138106, 151240, 158232, 197790, 207159, 226860, 263720, 276212, 345265, 395580, 414318, 453720, 552424, 690530, 791160, 828636, 1035795, 1312007, 1381060, 1657272, 2071590, 2624014, 2762120, 3936021, 4143180, 5248028, 6560035, 7872042, 8286360, 10496056, 13120070, 15744084, 19680105, 26240140, 31488168, 39360210, 52480280, 78720420, 157440840]

約数ペア:

[(1, 157440840), (2, 78720420), (3, 52480280), (4, 39360210), (5, 31488168), (6, 26240140), (8, 19680105), (10, 15744084), (12, 13120070), (15, 10496056), (19, 8286360), (20, 7872042), (24, 6560035), (30, 5248028), (38, 4143180), (40, 3936021), (57, 2762120), (60, 2624014), (76, 2071590), (95, 1657272), (114, 1381060), (120, 1312007), (152, 1035795), (190, 828636), (199, 791160), (228, 690530), (285, 552424), (347, 453720), (380, 414318), (398, 395580), (456, 345265), (570, 276212), (597, 263720), (694, 226860), (760, 207159), (796, 197790), (995, 158232), (1041, 151240), (1140, 138106), (1194, 131860), (1388, 113430), (1592, 98895), (1735, 90744), (1990, 79116), (2082, 75620), (2280, 69053), (2388, 65930), (2776, 56715), (2985, 52744), (3470, 45372), (3781, 41640), (3980, 39558), (4164, 37810), (4776, 32965), (5205, 30248), (5970, 26372), (6593, 23880), (6940, 22686), (7562, 20820), (7960, 19779), (8328, 18905), (10410, 15124), (11343, 13880), (11940, 13186)]