868964720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26953}}^1$

素因数の和:27010

約数の個数: 80

約数和(自身を含む): 2246022912

約数和(自身を除く): 1377058192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 26953, 32240, 53906, 107812, 134765, 215624, 269530, 350389, 431248, 539060, 700778, 835543, 1078120, 1401556, 1671086, 1751945, 2156240, 2803112, 3342172, 3503890, 4177715, 5606224, 6684344, 7007780, 8355430, 10862059, 13368688, 14015560, 16710860, 21724118, 28031120, 33421720, 43448236, 54310295, 66843440, 86896472, 108620590, 173792944, 217241180, 434482360, 868964720]

約数ペア:

[(1, 868964720), (2, 434482360), (4, 217241180), (5, 173792944), (8, 108620590), (10, 86896472), (13, 66843440), (16, 54310295), (20, 43448236), (26, 33421720), (31, 28031120), (40, 21724118), (52, 16710860), (62, 14015560), (65, 13368688), (80, 10862059), (104, 8355430), (124, 7007780), (130, 6684344), (155, 5606224), (208, 4177715), (248, 3503890), (260, 3342172), (310, 2803112), (403, 2156240), (496, 1751945), (520, 1671086), (620, 1401556), (806, 1078120), (1040, 835543), (1240, 700778), (1612, 539060), (2015, 431248), (2480, 350389), (3224, 269530), (4030, 215624), (6448, 134765), (8060, 107812), (16120, 53906), (26953, 32240)]