72578025

素因数分解:

$3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 145337920

約数和(自身を除く): 72759895

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 243, 325, 351, 405, 585, 675, 919, 975, 1053, 1215, 1755, 2025, 2757, 2925, 3159, 4595, 5265, 6075, 8271, 8775, 11947, 13785, 15795, 22975, 24813, 26325, 35841, 41355, 59735, 68925, 74439, 78975, 107523, 124065, 179205, 206775, 223317, 298675, 322569, 372195, 537615, 620325, 896025, 967707, 1116585, 1612845, 1860975, 2688075, 2903121, 4838535, 5582925, 8064225, 14515605, 24192675, 72578025]

約数ペア:

[(1, 72578025), (3, 24192675), (5, 14515605), (9, 8064225), (13, 5582925), (15, 4838535), (25, 2903121), (27, 2688075), (39, 1860975), (45, 1612845), (65, 1116585), (75, 967707), (81, 896025), (117, 620325), (135, 537615), (195, 372195), (225, 322569), (243, 298675), (325, 223317), (351, 206775), (405, 179205), (585, 124065), (675, 107523), (919, 78975), (975, 74439), (1053, 68925), (1215, 59735), (1755, 41355), (2025, 35841), (2757, 26325), (2925, 24813), (3159, 22975), (4595, 15795), (5265, 13785), (6075, 11947), (8271, 8775)]