25546140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 77903280

約数和(自身を除く): 52357140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 409, 694, 818, 1041, 1227, 1388, 1636, 1735, 2045, 2082, 2454, 3123, 3470, 3681, 4090, 4164, 4908, 5205, 6135, 6246, 6940, 7362, 8180, 10410, 12270, 12492, 14724, 15615, 18405, 20820, 24540, 31230, 36810, 62460, 73620, 141923, 283846, 425769, 567692, 709615, 851538, 1277307, 1419230, 1703076, 2128845, 2554614, 2838460, 4257690, 5109228, 6386535, 8515380, 12773070, 25546140]

約数ペア:

[(1, 25546140), (2, 12773070), (3, 8515380), (4, 6386535), (5, 5109228), (6, 4257690), (9, 2838460), (10, 2554614), (12, 2128845), (15, 1703076), (18, 1419230), (20, 1277307), (30, 851538), (36, 709615), (45, 567692), (60, 425769), (90, 283846), (180, 141923), (347, 73620), (409, 62460), (694, 36810), (818, 31230), (1041, 24540), (1227, 20820), (1388, 18405), (1636, 15615), (1735, 14724), (2045, 12492), (2082, 12270), (2454, 10410), (3123, 8180), (3470, 7362), (3681, 6940), (4090, 6246), (4164, 6135), (4908, 5205)]