2755980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 8530704

約数和(自身を除く): 5774724

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, 251, 305, 366, 502, 549, 610, 732, 753, 915, 1004, 1098, 1220, 1255, 1506, 1830, 2196, 2259, 2510, 2745, 3012, 3660, 3765, 4518, 5020, 5490, 7530, 9036, 10980, 11295, 15060, 15311, 22590, 30622, 45180, 45933, 61244, 76555, 91866, 137799, 153110, 183732, 229665, 275598, 306220, 459330, 551196, 688995, 918660, 1377990, 2755980]

約数ペア:

[(1, 2755980), (2, 1377990), (3, 918660), (4, 688995), (5, 551196), (6, 459330), (9, 306220), (10, 275598), (12, 229665), (15, 183732), (18, 153110), (20, 137799), (30, 91866), (36, 76555), (45, 61244), (60, 45933), (61, 45180), (90, 30622), (122, 22590), (180, 15311), (183, 15060), (244, 11295), (251, 10980), (305, 9036), (366, 7530), (502, 5490), (549, 5020), (610, 4518), (732, 3765), (753, 3660), (915, 3012), (1004, 2745), (1098, 2510), (1220, 2259), (1255, 2196), (1506, 1830)]