86680980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1213}}^1$

素因数の和:1625

約数の個数: 72

約数和(自身を含む): 263811912

約数和(自身を除く): 177130932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1191, 1213, 1588, 1985, 2382, 2426, 3573, 3639, 3970, 4764, 4852, 5955, 6065, 7146, 7278, 7940, 10917, 11910, 12130, 14292, 14556, 17865, 18195, 21834, 23820, 24260, 35730, 36390, 43668, 54585, 71460, 72780, 109170, 218340, 481561, 963122, 1444683, 1926244, 2407805, 2889366, 4334049, 4815610, 5778732, 7223415, 8668098, 9631220, 14446830, 17336196, 21670245, 28893660, 43340490, 86680980]

約数ペア:

[(1, 86680980), (2, 43340490), (3, 28893660), (4, 21670245), (5, 17336196), (6, 14446830), (9, 9631220), (10, 8668098), (12, 7223415), (15, 5778732), (18, 4815610), (20, 4334049), (30, 2889366), (36, 2407805), (45, 1926244), (60, 1444683), (90, 963122), (180, 481561), (397, 218340), (794, 109170), (1191, 72780), (1213, 71460), (1588, 54585), (1985, 43668), (2382, 36390), (2426, 35730), (3573, 24260), (3639, 23820), (3970, 21834), (4764, 18195), (4852, 17865), (5955, 14556), (6065, 14292), (7146, 12130), (7278, 11910), (7940, 10917)]