804966160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{811}}^1$

素因数の和:1496

約数の個数: 80

約数和(自身を含む): 1975498560

約数和(自身を除く): 1170532400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 653, 760, 811, 1306, 1520, 1622, 2612, 3244, 3265, 4055, 5224, 6488, 6530, 8110, 10448, 12407, 12976, 13060, 15409, 16220, 24814, 26120, 30818, 32440, 49628, 52240, 61636, 62035, 64880, 77045, 99256, 123272, 124070, 154090, 198512, 246544, 248140, 308180, 496280, 529583, 616360, 992560, 1059166, 1232720, 2118332, 2647915, 4236664, 5295830, 8473328, 10062077, 10591660, 20124154, 21183320, 40248308, 42366640, 50310385, 80496616, 100620770, 160993232, 201241540, 402483080, 804966160]

約数ペア:

[(1, 804966160), (2, 402483080), (4, 201241540), (5, 160993232), (8, 100620770), (10, 80496616), (16, 50310385), (19, 42366640), (20, 40248308), (38, 21183320), (40, 20124154), (76, 10591660), (80, 10062077), (95, 8473328), (152, 5295830), (190, 4236664), (304, 2647915), (380, 2118332), (653, 1232720), (760, 1059166), (811, 992560), (1306, 616360), (1520, 529583), (1622, 496280), (2612, 308180), (3244, 248140), (3265, 246544), (4055, 198512), (5224, 154090), (6488, 124070), (6530, 123272), (8110, 99256), (10448, 77045), (12407, 64880), (12976, 62035), (13060, 61636), (15409, 52240), (16220, 49628), (24814, 32440), (26120, 30818)]