177330640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 427472640

約数和(自身を除く): 250142000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 139, 148, 185, 278, 296, 370, 431, 556, 592, 695, 740, 862, 1112, 1390, 1480, 1724, 2155, 2224, 2780, 2960, 3448, 4310, 5143, 5560, 6896, 8620, 10286, 11120, 15947, 17240, 20572, 25715, 31894, 34480, 41144, 51430, 59909, 63788, 79735, 82288, 102860, 119818, 127576, 159470, 205720, 239636, 255152, 299545, 318940, 411440, 479272, 599090, 637880, 958544, 1198180, 1275760, 2216633, 2396360, 4433266, 4792720, 8866532, 11083165, 17733064, 22166330, 35466128, 44332660, 88665320, 177330640]

約数ペア:

[(1, 177330640), (2, 88665320), (4, 44332660), (5, 35466128), (8, 22166330), (10, 17733064), (16, 11083165), (20, 8866532), (37, 4792720), (40, 4433266), (74, 2396360), (80, 2216633), (139, 1275760), (148, 1198180), (185, 958544), (278, 637880), (296, 599090), (370, 479272), (431, 411440), (556, 318940), (592, 299545), (695, 255152), (740, 239636), (862, 205720), (1112, 159470), (1390, 127576), (1480, 119818), (1724, 102860), (2155, 82288), (2224, 79735), (2780, 63788), (2960, 59909), (3448, 51430), (4310, 41144), (5143, 34480), (5560, 31894), (6896, 25715), (8620, 20572), (10286, 17240), (11120, 15947)]