123848080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1381}}^1$

素因数の和:1472

約数の個数: 80

約数和(自身を含む): 308462400

約数和(自身を除く): 184614320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 1121, 1180, 1381, 1520, 2242, 2360, 2762, 4484, 4720, 5524, 5605, 6905, 8968, 11048, 11210, 13810, 17936, 22096, 22420, 26239, 27620, 44840, 52478, 55240, 81479, 89680, 104956, 110480, 131195, 162958, 209912, 262390, 325916, 407395, 419824, 524780, 651832, 814790, 1049560, 1303664, 1548101, 1629580, 2099120, 3096202, 3259160, 6192404, 6518320, 7740505, 12384808, 15481010, 24769616, 30962020, 61924040, 123848080]

約数ペア:

[(1, 123848080), (2, 61924040), (4, 30962020), (5, 24769616), (8, 15481010), (10, 12384808), (16, 7740505), (19, 6518320), (20, 6192404), (38, 3259160), (40, 3096202), (59, 2099120), (76, 1629580), (80, 1548101), (95, 1303664), (118, 1049560), (152, 814790), (190, 651832), (236, 524780), (295, 419824), (304, 407395), (380, 325916), (472, 262390), (590, 209912), (760, 162958), (944, 131195), (1121, 110480), (1180, 104956), (1381, 89680), (1520, 81479), (2242, 55240), (2360, 52478), (2762, 44840), (4484, 27620), (4720, 26239), (5524, 22420), (5605, 22096), (6905, 17936), (8968, 13810), (11048, 11210)]