80155740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1531

約数の個数: 96

約数和(自身を含む): 258531840

約数和(自身を除く): 178376100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 556, 695, 834, 973, 1373, 1390, 1668, 1946, 2085, 2746, 2780, 2919, 3892, 4119, 4170, 4865, 5492, 5838, 6865, 8238, 8340, 9611, 9730, 11676, 13730, 14595, 16476, 19222, 19460, 20595, 27460, 28833, 29190, 38444, 41190, 48055, 57666, 58380, 82380, 96110, 115332, 144165, 190847, 192220, 288330, 381694, 572541, 576660, 763388, 954235, 1145082, 1335929, 1908470, 2290164, 2671858, 2862705, 3816940, 4007787, 5343716, 5725410, 6679645, 8015574, 11450820, 13359290, 16031148, 20038935, 26718580, 40077870, 80155740]

約数ペア:

[(1, 80155740), (2, 40077870), (3, 26718580), (4, 20038935), (5, 16031148), (6, 13359290), (7, 11450820), (10, 8015574), (12, 6679645), (14, 5725410), (15, 5343716), (20, 4007787), (21, 3816940), (28, 2862705), (30, 2671858), (35, 2290164), (42, 1908470), (60, 1335929), (70, 1145082), (84, 954235), (105, 763388), (139, 576660), (140, 572541), (210, 381694), (278, 288330), (417, 192220), (420, 190847), (556, 144165), (695, 115332), (834, 96110), (973, 82380), (1373, 58380), (1390, 57666), (1668, 48055), (1946, 41190), (2085, 38444), (2746, 29190), (2780, 28833), (2919, 27460), (3892, 20595), (4119, 19460), (4170, 19222), (4865, 16476), (5492, 14595), (5838, 13730), (6865, 11676), (8238, 9730), (8340, 9611)]