7728560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 21147456

約数和(自身を除く): 13418896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 373, 518, 560, 592, 740, 746, 1036, 1295, 1480, 1492, 1865, 2072, 2590, 2611, 2960, 2984, 3730, 4144, 5180, 5222, 5968, 7460, 10360, 10444, 13055, 13801, 14920, 20720, 20888, 26110, 27602, 29840, 41776, 52220, 55204, 69005, 96607, 104440, 110408, 138010, 193214, 208880, 220816, 276020, 386428, 483035, 552040, 772856, 966070, 1104080, 1545712, 1932140, 3864280, 7728560]

約数ペア:

[(1, 7728560), (2, 3864280), (4, 1932140), (5, 1545712), (7, 1104080), (8, 966070), (10, 772856), (14, 552040), (16, 483035), (20, 386428), (28, 276020), (35, 220816), (37, 208880), (40, 193214), (56, 138010), (70, 110408), (74, 104440), (80, 96607), (112, 69005), (140, 55204), (148, 52220), (185, 41776), (259, 29840), (280, 27602), (296, 26110), (370, 20888), (373, 20720), (518, 14920), (560, 13801), (592, 13055), (740, 10444), (746, 10360), (1036, 7460), (1295, 5968), (1480, 5222), (1492, 5180), (1865, 4144), (2072, 3730), (2590, 2984), (2611, 2960)]