78412240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 194630400

約数和(自身を除く): 116218160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 632, 653, 760, 790, 1264, 1306, 1501, 1520, 1580, 2612, 3002, 3160, 3265, 5224, 6004, 6320, 6530, 7505, 10448, 12008, 12407, 13060, 15010, 24016, 24814, 26120, 30020, 49628, 51587, 52240, 60040, 62035, 99256, 103174, 120080, 124070, 198512, 206348, 248140, 257935, 412696, 496280, 515870, 825392, 980153, 992560, 1031740, 1960306, 2063480, 3920612, 4126960, 4900765, 7841224, 9801530, 15682448, 19603060, 39206120, 78412240]

約数ペア:

[(1, 78412240), (2, 39206120), (4, 19603060), (5, 15682448), (8, 9801530), (10, 7841224), (16, 4900765), (19, 4126960), (20, 3920612), (38, 2063480), (40, 1960306), (76, 1031740), (79, 992560), (80, 980153), (95, 825392), (152, 515870), (158, 496280), (190, 412696), (304, 257935), (316, 248140), (380, 206348), (395, 198512), (632, 124070), (653, 120080), (760, 103174), (790, 99256), (1264, 62035), (1306, 60040), (1501, 52240), (1520, 51587), (1580, 49628), (2612, 30020), (3002, 26120), (3160, 24814), (3265, 24016), (5224, 15010), (6004, 13060), (6320, 12407), (6530, 12008), (7505, 10448)]