397787520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15937}}^1$

素因数の和:15972

約数の個数: 128

約数和(自身を含む): 1365567840

約数和(自身を除く): 967780320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 15937, 24960, 31874, 47811, 63748, 79685, 95622, 127496, 159370, 191244, 207181, 239055, 254992, 318740, 382488, 414362, 478110, 509984, 621543, 637480, 764976, 828724, 956220, 1019968, 1035905, 1243086, 1274960, 1529952, 1657448, 1912440, 2039936, 2071810, 2486172, 2549920, 3059904, 3107715, 3314896, 3824880, 4143620, 4972344, 5099840, 6119808, 6215430, 6629792, 7649760, 8287240, 9944688, 10199680, 12430860, 13259584, 15299520, 16574480, 19889376, 24861720, 26519168, 30599040, 33148960, 39778752, 49723440, 66297920, 79557504, 99446880, 132595840, 198893760, 397787520]

約数ペア:

[(1, 397787520), (2, 198893760), (3, 132595840), (4, 99446880), (5, 79557504), (6, 66297920), (8, 49723440), (10, 39778752), (12, 33148960), (13, 30599040), (15, 26519168), (16, 24861720), (20, 19889376), (24, 16574480), (26, 15299520), (30, 13259584), (32, 12430860), (39, 10199680), (40, 9944688), (48, 8287240), (52, 7649760), (60, 6629792), (64, 6215430), (65, 6119808), (78, 5099840), (80, 4972344), (96, 4143620), (104, 3824880), (120, 3314896), (128, 3107715), (130, 3059904), (156, 2549920), (160, 2486172), (192, 2071810), (195, 2039936), (208, 1912440), (240, 1657448), (260, 1529952), (312, 1274960), (320, 1243086), (384, 1035905), (390, 1019968), (416, 956220), (480, 828724), (520, 764976), (624, 637480), (640, 621543), (780, 509984), (832, 478110), (960, 414362), (1040, 382488), (1248, 318740), (1560, 254992), (1664, 239055), (1920, 207181), (2080, 191244), (2496, 159370), (3120, 127496), (4160, 95622), (4992, 79685), (6240, 63748), (8320, 47811), (12480, 31874), (15937, 24960)]