320908000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 192

約数和(自身を含む): 919271808

約数和(自身を除く): 598363808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 73, 80, 100, 112, 125, 140, 146, 157, 160, 175, 200, 224, 250, 280, 292, 314, 350, 365, 400, 500, 511, 560, 584, 628, 700, 730, 785, 800, 875, 1000, 1022, 1099, 1120, 1168, 1256, 1400, 1460, 1570, 1750, 1825, 2000, 2044, 2198, 2336, 2512, 2555, 2800, 2920, 3140, 3500, 3650, 3925, 4000, 4088, 4396, 5024, 5110, 5495, 5600, 5840, 6280, 7000, 7300, 7850, 8176, 8792, 9125, 10220, 10990, 11461, 11680, 12560, 12775, 14000, 14600, 15700, 16352, 17584, 18250, 19625, 20440, 21980, 22922, 25120, 25550, 27475, 28000, 29200, 31400, 35168, 36500, 39250, 40880, 43960, 45844, 51100, 54950, 57305, 58400, 62800, 63875, 73000, 78500, 80227, 81760, 87920, 91688, 102200, 109900, 114610, 125600, 127750, 137375, 146000, 157000, 160454, 175840, 183376, 204400, 219800, 229220, 255500, 274750, 286525, 292000, 314000, 320908, 366752, 401135, 408800, 439600, 458440, 511000, 549500, 573050, 628000, 641816, 802270, 879200, 916880, 1022000, 1099000, 1146100, 1283632, 1432625, 1604540, 1833760, 2005675, 2044000, 2198000, 2292200, 2567264, 2865250, 3209080, 4011350, 4396000, 4584400, 5730500, 6418160, 8022700, 9168800, 10028375, 11461000, 12836320, 16045400, 20056750, 22922000, 32090800, 40113500, 45844000, 64181600, 80227000, 160454000, 320908000]

約数ペア:

[(1, 320908000), (2, 160454000), (4, 80227000), (5, 64181600), (7, 45844000), (8, 40113500), (10, 32090800), (14, 22922000), (16, 20056750), (20, 16045400), (25, 12836320), (28, 11461000), (32, 10028375), (35, 9168800), (40, 8022700), (50, 6418160), (56, 5730500), (70, 4584400), (73, 4396000), (80, 4011350), (100, 3209080), (112, 2865250), (125, 2567264), (140, 2292200), (146, 2198000), (157, 2044000), (160, 2005675), (175, 1833760), (200, 1604540), (224, 1432625), (250, 1283632), (280, 1146100), (292, 1099000), (314, 1022000), (350, 916880), (365, 879200), (400, 802270), (500, 641816), (511, 628000), (560, 573050), (584, 549500), (628, 511000), (700, 458440), (730, 439600), (785, 408800), (800, 401135), (875, 366752), (1000, 320908), (1022, 314000), (1099, 292000), (1120, 286525), (1168, 274750), (1256, 255500), (1400, 229220), (1460, 219800), (1570, 204400), (1750, 183376), (1825, 175840), (2000, 160454), (2044, 157000), (2198, 146000), (2336, 137375), (2512, 127750), (2555, 125600), (2800, 114610), (2920, 109900), (3140, 102200), (3500, 91688), (3650, 87920), (3925, 81760), (4000, 80227), (4088, 78500), (4396, 73000), (5024, 63875), (5110, 62800), (5495, 58400), (5600, 57305), (5840, 54950), (6280, 51100), (7000, 45844), (7300, 43960), (7850, 40880), (8176, 39250), (8792, 36500), (9125, 35168), (10220, 31400), (10990, 29200), (11461, 28000), (11680, 27475), (12560, 25550), (12775, 25120), (14000, 22922), (14600, 21980), (15700, 20440), (16352, 19625), (17584, 18250)]