7654890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 19284480

約数和(自身を除く): 11629590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 61, 89, 94, 122, 141, 178, 183, 235, 267, 282, 305, 366, 445, 470, 534, 610, 705, 890, 915, 1335, 1410, 1830, 2670, 2867, 4183, 5429, 5734, 8366, 8601, 10858, 12549, 14335, 16287, 17202, 20915, 25098, 27145, 28670, 32574, 41830, 43005, 54290, 62745, 81435, 86010, 125490, 162870, 255163, 510326, 765489, 1275815, 1530978, 2551630, 3827445, 7654890]

約数ペア:

[(1, 7654890), (2, 3827445), (3, 2551630), (5, 1530978), (6, 1275815), (10, 765489), (15, 510326), (30, 255163), (47, 162870), (61, 125490), (89, 86010), (94, 81435), (122, 62745), (141, 54290), (178, 43005), (183, 41830), (235, 32574), (267, 28670), (282, 27145), (305, 25098), (366, 20915), (445, 17202), (470, 16287), (534, 14335), (610, 12549), (705, 10858), (890, 8601), (915, 8366), (1335, 5734), (1410, 5429), (1830, 4183), (2670, 2867)]