90561960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{251561}}^1$

素因数の和:251578

約数の個数: 48

約数和(自身を含む): 294327540

約数和(自身を除く): 203765580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 251561, 503122, 754683, 1006244, 1257805, 1509366, 2012488, 2264049, 2515610, 3018732, 3773415, 4528098, 5031220, 6037464, 7546830, 9056196, 10062440, 11320245, 15093660, 18112392, 22640490, 30187320, 45280980, 90561960]

約数ペア:

[(1, 90561960), (2, 45280980), (3, 30187320), (4, 22640490), (5, 18112392), (6, 15093660), (8, 11320245), (9, 10062440), (10, 9056196), (12, 7546830), (15, 6037464), (18, 5031220), (20, 4528098), (24, 3773415), (30, 3018732), (36, 2515610), (40, 2264049), (45, 2012488), (60, 1509366), (72, 1257805), (90, 1006244), (120, 754683), (180, 503122), (360, 251561)]