227178720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2097

約数の個数: 144

約数和(自身を含む): 785453760

約数和(自身を除く): 558275040

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, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 288, 316, 360, 395, 474, 480, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1440, 1580, 1896, 1997, 2370, 2528, 2844, 3160, 3555, 3792, 3994, 4740, 5688, 5991, 6320, 7110, 7584, 7988, 9480, 9985, 11376, 11982, 12640, 14220, 15976, 17973, 18960, 19970, 22752, 23964, 28440, 29955, 31952, 35946, 37920, 39940, 47928, 56880, 59910, 63904, 71892, 79880, 89865, 95856, 113760, 119820, 143784, 157763, 159760, 179730, 191712, 239640, 287568, 315526, 319520, 359460, 473289, 479280, 575136, 631052, 718920, 788815, 946578, 958560, 1262104, 1419867, 1437840, 1577630, 1893156, 2366445, 2524208, 2839734, 2875680, 3155260, 3786312, 4732890, 5048416, 5679468, 6310520, 7099335, 7572624, 9465780, 11358936, 12621040, 14198670, 15145248, 18931560, 22717872, 25242080, 28397340, 37863120, 45435744, 56794680, 75726240, 113589360, 227178720]

約数ペア:

[(1, 227178720), (2, 113589360), (3, 75726240), (4, 56794680), (5, 45435744), (6, 37863120), (8, 28397340), (9, 25242080), (10, 22717872), (12, 18931560), (15, 15145248), (16, 14198670), (18, 12621040), (20, 11358936), (24, 9465780), (30, 7572624), (32, 7099335), (36, 6310520), (40, 5679468), (45, 5048416), (48, 4732890), (60, 3786312), (72, 3155260), (79, 2875680), (80, 2839734), (90, 2524208), (96, 2366445), (120, 1893156), (144, 1577630), (158, 1437840), (160, 1419867), (180, 1262104), (237, 958560), (240, 946578), (288, 788815), (316, 718920), (360, 631052), (395, 575136), (474, 479280), (480, 473289), (632, 359460), (711, 319520), (720, 315526), (790, 287568), (948, 239640), (1185, 191712), (1264, 179730), (1422, 159760), (1440, 157763), (1580, 143784), (1896, 119820), (1997, 113760), (2370, 95856), (2528, 89865), (2844, 79880), (3160, 71892), (3555, 63904), (3792, 59910), (3994, 56880), (4740, 47928), (5688, 39940), (5991, 37920), (6320, 35946), (7110, 31952), (7584, 29955), (7988, 28440), (9480, 23964), (9985, 22752), (11376, 19970), (11982, 18960), (12640, 17973), (14220, 15976)]