775398240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{538471}}^1$

素因数の和:538492

約数の個数: 72

約数和(自身を含む): 2646051408

約数和(自身を除く): 1870653168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 538471, 1076942, 1615413, 2153884, 2692355, 3230826, 4307768, 4846239, 5384710, 6461652, 8077065, 8615536, 9692478, 10769420, 12923304, 16154130, 17231072, 19384956, 21538840, 24231195, 25846608, 32308260, 38769912, 43077680, 48462390, 51693216, 64616520, 77539824, 86155360, 96924780, 129233040, 155079648, 193849560, 258466080, 387699120, 775398240]

約数ペア:

[(1, 775398240), (2, 387699120), (3, 258466080), (4, 193849560), (5, 155079648), (6, 129233040), (8, 96924780), (9, 86155360), (10, 77539824), (12, 64616520), (15, 51693216), (16, 48462390), (18, 43077680), (20, 38769912), (24, 32308260), (30, 25846608), (32, 24231195), (36, 21538840), (40, 19384956), (45, 17231072), (48, 16154130), (60, 12923304), (72, 10769420), (80, 9692478), (90, 8615536), (96, 8077065), (120, 6461652), (144, 5384710), (160, 4846239), (180, 4307768), (240, 3230826), (288, 2692355), (360, 2153884), (480, 1615413), (720, 1076942), (1440, 538471)]