61688240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 154356192

約数和(自身を除く): 92667952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 335, 340, 536, 670, 677, 680, 1072, 1139, 1340, 1354, 1360, 2278, 2680, 2708, 3385, 4556, 5360, 5416, 5695, 6770, 9112, 10832, 11390, 11509, 13540, 18224, 22780, 23018, 27080, 45359, 45560, 46036, 54160, 57545, 90718, 91120, 92072, 115090, 181436, 184144, 226795, 230180, 362872, 453590, 460360, 725744, 771103, 907180, 920720, 1542206, 1814360, 3084412, 3628720, 3855515, 6168824, 7711030, 12337648, 15422060, 30844120, 61688240]

約数ペア:

[(1, 61688240), (2, 30844120), (4, 15422060), (5, 12337648), (8, 7711030), (10, 6168824), (16, 3855515), (17, 3628720), (20, 3084412), (34, 1814360), (40, 1542206), (67, 920720), (68, 907180), (80, 771103), (85, 725744), (134, 460360), (136, 453590), (170, 362872), (268, 230180), (272, 226795), (335, 184144), (340, 181436), (536, 115090), (670, 92072), (677, 91120), (680, 90718), (1072, 57545), (1139, 54160), (1340, 46036), (1354, 45560), (1360, 45359), (2278, 27080), (2680, 23018), (2708, 22780), (3385, 18224), (4556, 13540), (5360, 11509), (5416, 11390), (5695, 10832), (6770, 9112)]