71500515

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 128217600

約数和(自身を除く): 56717085

約数列:

[1, 3, 5, 15, 19, 29, 41, 57, 87, 95, 123, 145, 205, 211, 285, 435, 551, 615, 633, 779, 1055, 1189, 1653, 2337, 2755, 3165, 3567, 3895, 4009, 5945, 6119, 8265, 8651, 11685, 12027, 17835, 18357, 20045, 22591, 25953, 30595, 43255, 60135, 67773, 91785, 112955, 116261, 129765, 164369, 250879, 338865, 348783, 493107, 581305, 752637, 821845, 1254395, 1743915, 2465535, 3763185, 4766701, 14300103, 23833505, 71500515]

約数ペア:

[(1, 71500515), (3, 23833505), (5, 14300103), (15, 4766701), (19, 3763185), (29, 2465535), (41, 1743915), (57, 1254395), (87, 821845), (95, 752637), (123, 581305), (145, 493107), (205, 348783), (211, 338865), (285, 250879), (435, 164369), (551, 129765), (615, 116261), (633, 112955), (779, 91785), (1055, 67773), (1189, 60135), (1653, 43255), (2337, 30595), (2755, 25953), (3165, 22591), (3567, 20045), (3895, 18357), (4009, 17835), (5945, 12027), (6119, 11685), (8265, 8651)]