205381120

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 160

約数和(自身を含む): 574123968

約数和(自身を除く): 368742848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 157, 160, 224, 256, 280, 292, 314, 320, 365, 448, 511, 512, 560, 584, 628, 640, 730, 785, 896, 1022, 1099, 1120, 1168, 1256, 1280, 1460, 1570, 1792, 2044, 2198, 2240, 2336, 2512, 2555, 2560, 2920, 3140, 3584, 4088, 4396, 4480, 4672, 5024, 5110, 5495, 5840, 6280, 8176, 8792, 8960, 9344, 10048, 10220, 10990, 11461, 11680, 12560, 16352, 17584, 17920, 18688, 20096, 20440, 21980, 22922, 23360, 25120, 32704, 35168, 37376, 40192, 40880, 43960, 45844, 46720, 50240, 57305, 65408, 70336, 80227, 80384, 81760, 87920, 91688, 93440, 100480, 114610, 130816, 140672, 160454, 163520, 175840, 183376, 186880, 200960, 229220, 261632, 281344, 320908, 327040, 351680, 366752, 401135, 401920, 458440, 562688, 641816, 654080, 703360, 733504, 802270, 916880, 1283632, 1308160, 1406720, 1467008, 1604540, 1833760, 2567264, 2813440, 2934016, 3209080, 3667520, 5134528, 5868032, 6418160, 7335040, 10269056, 12836320, 14670080, 20538112, 25672640, 29340160, 41076224, 51345280, 102690560, 205381120]

約数ペア:

[(1, 205381120), (2, 102690560), (4, 51345280), (5, 41076224), (7, 29340160), (8, 25672640), (10, 20538112), (14, 14670080), (16, 12836320), (20, 10269056), (28, 7335040), (32, 6418160), (35, 5868032), (40, 5134528), (56, 3667520), (64, 3209080), (70, 2934016), (73, 2813440), (80, 2567264), (112, 1833760), (128, 1604540), (140, 1467008), (146, 1406720), (157, 1308160), (160, 1283632), (224, 916880), (256, 802270), (280, 733504), (292, 703360), (314, 654080), (320, 641816), (365, 562688), (448, 458440), (511, 401920), (512, 401135), (560, 366752), (584, 351680), (628, 327040), (640, 320908), (730, 281344), (785, 261632), (896, 229220), (1022, 200960), (1099, 186880), (1120, 183376), (1168, 175840), (1256, 163520), (1280, 160454), (1460, 140672), (1570, 130816), (1792, 114610), (2044, 100480), (2198, 93440), (2240, 91688), (2336, 87920), (2512, 81760), (2555, 80384), (2560, 80227), (2920, 70336), (3140, 65408), (3584, 57305), (4088, 50240), (4396, 46720), (4480, 45844), (4672, 43960), (5024, 40880), (5110, 40192), (5495, 37376), (5840, 35168), (6280, 32704), (8176, 25120), (8792, 23360), (8960, 22922), (9344, 21980), (10048, 20440), (10220, 20096), (10990, 18688), (11461, 17920), (11680, 17584), (12560, 16352)]