321296640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11953}}^1$

素因数の和:11984

約数の個数: 144

約数和(自身を含む): 1172830848

約数和(自身を除く): 851534208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 11953, 13440, 23906, 26880, 35859, 47812, 59765, 71718, 83671, 95624, 119530, 143436, 167342, 179295, 191248, 239060, 251013, 286872, 334684, 358590, 382496, 418355, 478120, 502026, 573744, 669368, 717180, 764992, 836710, 956240, 1004052, 1147488, 1255065, 1338736, 1434360, 1529984, 1673420, 1912480, 2008104, 2294976, 2510130, 2677472, 2868720, 3059968, 3346840, 3824960, 4016208, 4589952, 5020260, 5354944, 5737440, 6693680, 7649920, 8032416, 9179904, 10040520, 10709888, 11474880, 13387360, 15299840, 16064832, 20081040, 21419776, 22949760, 26774720, 32129664, 40162080, 45899520, 53549440, 64259328, 80324160, 107098880, 160648320, 321296640]

約数ペア:

[(1, 321296640), (2, 160648320), (3, 107098880), (4, 80324160), (5, 64259328), (6, 53549440), (7, 45899520), (8, 40162080), (10, 32129664), (12, 26774720), (14, 22949760), (15, 21419776), (16, 20081040), (20, 16064832), (21, 15299840), (24, 13387360), (28, 11474880), (30, 10709888), (32, 10040520), (35, 9179904), (40, 8032416), (42, 7649920), (48, 6693680), (56, 5737440), (60, 5354944), (64, 5020260), (70, 4589952), (80, 4016208), (84, 3824960), (96, 3346840), (105, 3059968), (112, 2868720), (120, 2677472), (128, 2510130), (140, 2294976), (160, 2008104), (168, 1912480), (192, 1673420), (210, 1529984), (224, 1434360), (240, 1338736), (256, 1255065), (280, 1147488), (320, 1004052), (336, 956240), (384, 836710), (420, 764992), (448, 717180), (480, 669368), (560, 573744), (640, 502026), (672, 478120), (768, 418355), (840, 382496), (896, 358590), (960, 334684), (1120, 286872), (1280, 251013), (1344, 239060), (1680, 191248), (1792, 179295), (1920, 167342), (2240, 143436), (2688, 119530), (3360, 95624), (3840, 83671), (4480, 71718), (5376, 59765), (6720, 47812), (8960, 35859), (11953, 26880), (13440, 23906)]