78637140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1259}}^1$

素因数の和:1621

約数の個数: 72

約数和(自身を含む): 239410080

約数和(自身を除く): 160772940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 1041, 1259, 1388, 1735, 2082, 2518, 3123, 3470, 3777, 4164, 5036, 5205, 6246, 6295, 6940, 7554, 10410, 11331, 12492, 12590, 15108, 15615, 18885, 20820, 22662, 25180, 31230, 37770, 45324, 56655, 62460, 75540, 113310, 226620, 436873, 873746, 1310619, 1747492, 2184365, 2621238, 3931857, 4368730, 5242476, 6553095, 7863714, 8737460, 13106190, 15727428, 19659285, 26212380, 39318570, 78637140]

約数ペア:

[(1, 78637140), (2, 39318570), (3, 26212380), (4, 19659285), (5, 15727428), (6, 13106190), (9, 8737460), (10, 7863714), (12, 6553095), (15, 5242476), (18, 4368730), (20, 3931857), (30, 2621238), (36, 2184365), (45, 1747492), (60, 1310619), (90, 873746), (180, 436873), (347, 226620), (694, 113310), (1041, 75540), (1259, 62460), (1388, 56655), (1735, 45324), (2082, 37770), (2518, 31230), (3123, 25180), (3470, 22662), (3777, 20820), (4164, 18885), (5036, 15615), (5205, 15108), (6246, 12590), (6295, 12492), (6940, 11331), (7554, 10410)]