78423520

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{1429}}^1$

素因数の和:1465

約数の個数: 96

約数和(自身を含む): 216216000

約数和(自身を除く): 137792480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1429, 1568, 1715, 1960, 2744, 2858, 3430, 3920, 5488, 5716, 6860, 7145, 7840, 10003, 10976, 11432, 13720, 14290, 20006, 22864, 27440, 28580, 40012, 45728, 50015, 54880, 57160, 70021, 80024, 100030, 114320, 140042, 160048, 200060, 228640, 280084, 320096, 350105, 400120, 490147, 560168, 700210, 800240, 980294, 1120336, 1400420, 1600480, 1960588, 2240672, 2450735, 2800840, 3921176, 4901470, 5601680, 7842352, 9802940, 11203360, 15684704, 19605880, 39211760, 78423520]

約数ペア:

[(1, 78423520), (2, 39211760), (4, 19605880), (5, 15684704), (7, 11203360), (8, 9802940), (10, 7842352), (14, 5601680), (16, 4901470), (20, 3921176), (28, 2800840), (32, 2450735), (35, 2240672), (40, 1960588), (49, 1600480), (56, 1400420), (70, 1120336), (80, 980294), (98, 800240), (112, 700210), (140, 560168), (160, 490147), (196, 400120), (224, 350105), (245, 320096), (280, 280084), (343, 228640), (392, 200060), (490, 160048), (560, 140042), (686, 114320), (784, 100030), (980, 80024), (1120, 70021), (1372, 57160), (1429, 54880), (1568, 50015), (1715, 45728), (1960, 40012), (2744, 28580), (2858, 27440), (3430, 22864), (3920, 20006), (5488, 14290), (5716, 13720), (6860, 11432), (7145, 10976), (7840, 10003)]