78578240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1453}}^1$

素因数の和:1496

約数の個数: 84

約数和(自身を含む): 202754484

約数和(自身を除く): 124176244

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1352, 1453, 1690, 2080, 2704, 2906, 3380, 4160, 5408, 5812, 6760, 7265, 10816, 11624, 13520, 14530, 18889, 23248, 27040, 29060, 37778, 46496, 54080, 58120, 75556, 92992, 94445, 116240, 151112, 188890, 232480, 245557, 302224, 377780, 464960, 491114, 604448, 755560, 982228, 1208896, 1227785, 1511120, 1964456, 2455570, 3022240, 3928912, 4911140, 6044480, 7857824, 9822280, 15715648, 19644560, 39289120, 78578240]

約数ペア:

[(1, 78578240), (2, 39289120), (4, 19644560), (5, 15715648), (8, 9822280), (10, 7857824), (13, 6044480), (16, 4911140), (20, 3928912), (26, 3022240), (32, 2455570), (40, 1964456), (52, 1511120), (64, 1227785), (65, 1208896), (80, 982228), (104, 755560), (130, 604448), (160, 491114), (169, 464960), (208, 377780), (260, 302224), (320, 245557), (338, 232480), (416, 188890), (520, 151112), (676, 116240), (832, 94445), (845, 92992), (1040, 75556), (1352, 58120), (1453, 54080), (1690, 46496), (2080, 37778), (2704, 29060), (2906, 27040), (3380, 23248), (4160, 18889), (5408, 14530), (5812, 13520), (6760, 11624), (7265, 10816)]