81135540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{433}}^1$

素因数の和:798

約数の個数: 96

約数和(自身を含む): 253733760

約数和(自身を除く): 172598220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 347, 433, 540, 694, 866, 1041, 1299, 1388, 1732, 1735, 2082, 2165, 2598, 3123, 3470, 3897, 4164, 4330, 5196, 5205, 6246, 6495, 6940, 7794, 8660, 9369, 10410, 11691, 12492, 12990, 15588, 15615, 18738, 19485, 20820, 23382, 25980, 31230, 37476, 38970, 46764, 46845, 58455, 62460, 77940, 93690, 116910, 150251, 187380, 233820, 300502, 450753, 601004, 751255, 901506, 1352259, 1502510, 1803012, 2253765, 2704518, 3005020, 4056777, 4507530, 5409036, 6761295, 8113554, 9015060, 13522590, 16227108, 20283885, 27045180, 40567770, 81135540]

約数ペア:

[(1, 81135540), (2, 40567770), (3, 27045180), (4, 20283885), (5, 16227108), (6, 13522590), (9, 9015060), (10, 8113554), (12, 6761295), (15, 5409036), (18, 4507530), (20, 4056777), (27, 3005020), (30, 2704518), (36, 2253765), (45, 1803012), (54, 1502510), (60, 1352259), (90, 901506), (108, 751255), (135, 601004), (180, 450753), (270, 300502), (347, 233820), (433, 187380), (540, 150251), (694, 116910), (866, 93690), (1041, 77940), (1299, 62460), (1388, 58455), (1732, 46845), (1735, 46764), (2082, 38970), (2165, 37476), (2598, 31230), (3123, 25980), (3470, 23382), (3897, 20820), (4164, 19485), (4330, 18738), (5196, 15615), (5205, 15588), (6246, 12990), (6495, 12492), (6940, 11691), (7794, 10410), (8660, 9369)]