144904720

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 345602880

約数和(自身を除く): 200698160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 139, 157, 166, 278, 314, 332, 415, 556, 628, 664, 695, 785, 830, 1112, 1256, 1328, 1390, 1570, 1660, 2224, 2512, 2780, 3140, 3320, 5560, 6280, 6640, 11120, 11537, 12560, 13031, 21823, 23074, 26062, 43646, 46148, 52124, 57685, 65155, 87292, 92296, 104248, 109115, 115370, 130310, 174584, 184592, 208496, 218230, 230740, 260620, 349168, 436460, 461480, 521240, 872920, 922960, 1042480, 1745840, 1811309, 3622618, 7245236, 9056545, 14490472, 18113090, 28980944, 36226180, 72452360, 144904720]

約数ペア:

[(1, 144904720), (2, 72452360), (4, 36226180), (5, 28980944), (8, 18113090), (10, 14490472), (16, 9056545), (20, 7245236), (40, 3622618), (80, 1811309), (83, 1745840), (139, 1042480), (157, 922960), (166, 872920), (278, 521240), (314, 461480), (332, 436460), (415, 349168), (556, 260620), (628, 230740), (664, 218230), (695, 208496), (785, 184592), (830, 174584), (1112, 130310), (1256, 115370), (1328, 109115), (1390, 104248), (1570, 92296), (1660, 87292), (2224, 65155), (2512, 57685), (2780, 52124), (3140, 46148), (3320, 43646), (5560, 26062), (6280, 23074), (6640, 21823), (11120, 13031), (11537, 12560)]