78640500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:634

約数の個数: 96

約数和(自身を含む): 231678720

約数和(自身を除く): 153038220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 103, 125, 150, 206, 250, 300, 309, 375, 412, 500, 509, 515, 618, 750, 1018, 1030, 1236, 1500, 1527, 1545, 2036, 2060, 2545, 2575, 3054, 3090, 5090, 5150, 6108, 6180, 7635, 7725, 10180, 10300, 12725, 12875, 15270, 15450, 25450, 25750, 30540, 30900, 38175, 38625, 50900, 51500, 52427, 63625, 76350, 77250, 104854, 127250, 152700, 154500, 157281, 190875, 209708, 254500, 262135, 314562, 381750, 524270, 629124, 763500, 786405, 1048540, 1310675, 1572810, 2621350, 3145620, 3932025, 5242700, 6553375, 7864050, 13106750, 15728100, 19660125, 26213500, 39320250, 78640500]

約数ペア:

[(1, 78640500), (2, 39320250), (3, 26213500), (4, 19660125), (5, 15728100), (6, 13106750), (10, 7864050), (12, 6553375), (15, 5242700), (20, 3932025), (25, 3145620), (30, 2621350), (50, 1572810), (60, 1310675), (75, 1048540), (100, 786405), (103, 763500), (125, 629124), (150, 524270), (206, 381750), (250, 314562), (300, 262135), (309, 254500), (375, 209708), (412, 190875), (500, 157281), (509, 154500), (515, 152700), (618, 127250), (750, 104854), (1018, 77250), (1030, 76350), (1236, 63625), (1500, 52427), (1527, 51500), (1545, 50900), (2036, 38625), (2060, 38175), (2545, 30900), (2575, 30540), (3054, 25750), (3090, 25450), (5090, 15450), (5150, 15270), (6108, 12875), (6180, 12725), (7635, 10300), (7725, 10180)]