305079040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 847687680

約数和(自身を除く): 542608640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 316, 320, 395, 431, 448, 553, 560, 632, 640, 790, 862, 896, 1106, 1120, 1264, 1280, 1580, 1724, 1792, 2155, 2212, 2240, 2528, 2765, 3017, 3160, 3448, 4310, 4424, 4480, 5056, 5530, 6034, 6320, 6896, 8620, 8848, 8960, 10112, 11060, 12068, 12640, 13792, 15085, 17240, 17696, 20224, 22120, 24136, 25280, 27584, 30170, 34049, 34480, 35392, 44240, 48272, 50560, 55168, 60340, 68098, 68960, 70784, 88480, 96544, 101120, 110336, 120680, 136196, 137920, 141568, 170245, 176960, 193088, 238343, 241360, 272392, 275840, 340490, 353920, 386176, 476686, 482720, 544784, 551680, 680980, 707840, 772352, 953372, 965440, 1089568, 1191715, 1361960, 1906744, 1930880, 2179136, 2383430, 2723920, 3813488, 3861760, 4358272, 4766860, 5447840, 7626976, 8716544, 9533720, 10895680, 15253952, 19067440, 21791360, 30507904, 38134880, 43582720, 61015808, 76269760, 152539520, 305079040]

約数ペア:

[(1, 305079040), (2, 152539520), (4, 76269760), (5, 61015808), (7, 43582720), (8, 38134880), (10, 30507904), (14, 21791360), (16, 19067440), (20, 15253952), (28, 10895680), (32, 9533720), (35, 8716544), (40, 7626976), (56, 5447840), (64, 4766860), (70, 4358272), (79, 3861760), (80, 3813488), (112, 2723920), (128, 2383430), (140, 2179136), (158, 1930880), (160, 1906744), (224, 1361960), (256, 1191715), (280, 1089568), (316, 965440), (320, 953372), (395, 772352), (431, 707840), (448, 680980), (553, 551680), (560, 544784), (632, 482720), (640, 476686), (790, 386176), (862, 353920), (896, 340490), (1106, 275840), (1120, 272392), (1264, 241360), (1280, 238343), (1580, 193088), (1724, 176960), (1792, 170245), (2155, 141568), (2212, 137920), (2240, 136196), (2528, 120680), (2765, 110336), (3017, 101120), (3160, 96544), (3448, 88480), (4310, 70784), (4424, 68960), (4480, 68098), (5056, 60340), (5530, 55168), (6034, 50560), (6320, 48272), (6896, 44240), (8620, 35392), (8848, 34480), (8960, 34049), (10112, 30170), (11060, 27584), (12068, 25280), (12640, 24136), (13792, 22120), (15085, 20224), (17240, 17696)]