181839780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16561}}^1$

素因数の和:16637

約数の個数: 72

約数和(自身を含む): 560656824

約数和(自身を除く): 378817044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 16561, 33122, 49683, 66244, 82805, 99366, 149049, 165610, 198732, 248415, 298098, 331220, 496830, 596196, 745245, 993660, 1010221, 1490490, 2020442, 2980980, 3030663, 4040884, 5051105, 6061326, 9091989, 10102210, 12122652, 15153315, 18183978, 20204420, 30306630, 36367956, 45459945, 60613260, 90919890, 181839780]

約数ペア:

[(1, 181839780), (2, 90919890), (3, 60613260), (4, 45459945), (5, 36367956), (6, 30306630), (9, 20204420), (10, 18183978), (12, 15153315), (15, 12122652), (18, 10102210), (20, 9091989), (30, 6061326), (36, 5051105), (45, 4040884), (60, 3030663), (61, 2980980), (90, 2020442), (122, 1490490), (180, 1010221), (183, 993660), (244, 745245), (305, 596196), (366, 496830), (549, 331220), (610, 298098), (732, 248415), (915, 198732), (1098, 165610), (1220, 149049), (1830, 99366), (2196, 82805), (2745, 66244), (3660, 49683), (5490, 33122), (10980, 16561)]