399252240

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{61613}}^1$

素因数の和:61638

約数の個数: 100

約数和(自身を含む): 1386684684

約数和(自身を除く): 987432444

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 61613, 123226, 184839, 246452, 308065, 369678, 492904, 554517, 616130, 739356, 924195, 985808, 1109034, 1232260, 1478712, 1663551, 1848390, 2218068, 2464520, 2772585, 2957424, 3327102, 3696780, 4436136, 4929040, 4990653, 5545170, 6654204, 7393560, 8317755, 8872272, 9981306, 11090340, 13308408, 14787120, 16635510, 19962612, 22180680, 24953265, 26616816, 33271020, 39925224, 44361360, 49906530, 66542040, 79850448, 99813060, 133084080, 199626120, 399252240]

約数ペア:

[(1, 399252240), (2, 199626120), (3, 133084080), (4, 99813060), (5, 79850448), (6, 66542040), (8, 49906530), (9, 44361360), (10, 39925224), (12, 33271020), (15, 26616816), (16, 24953265), (18, 22180680), (20, 19962612), (24, 16635510), (27, 14787120), (30, 13308408), (36, 11090340), (40, 9981306), (45, 8872272), (48, 8317755), (54, 7393560), (60, 6654204), (72, 5545170), (80, 4990653), (81, 4929040), (90, 4436136), (108, 3696780), (120, 3327102), (135, 2957424), (144, 2772585), (162, 2464520), (180, 2218068), (216, 1848390), (240, 1663551), (270, 1478712), (324, 1232260), (360, 1109034), (405, 985808), (432, 924195), (540, 739356), (648, 616130), (720, 554517), (810, 492904), (1080, 369678), (1296, 308065), (1620, 246452), (2160, 184839), (3240, 123226), (6480, 61613)]