78656145

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 137134080

約数和(自身を除く): 58477935

約数列:

[1, 3, 5, 15, 31, 47, 59, 61, 93, 141, 155, 177, 183, 235, 295, 305, 465, 705, 885, 915, 1457, 1829, 1891, 2773, 2867, 3599, 4371, 5487, 5673, 7285, 8319, 8601, 9145, 9455, 10797, 13865, 14335, 17995, 21855, 27435, 28365, 41595, 43005, 53985, 85963, 88877, 111569, 169153, 257889, 266631, 334707, 429815, 444385, 507459, 557845, 845765, 1289445, 1333155, 1673535, 2537295, 5243743, 15731229, 26218715, 78656145]

約数ペア:

[(1, 78656145), (3, 26218715), (5, 15731229), (15, 5243743), (31, 2537295), (47, 1673535), (59, 1333155), (61, 1289445), (93, 845765), (141, 557845), (155, 507459), (177, 444385), (183, 429815), (235, 334707), (295, 266631), (305, 257889), (465, 169153), (705, 111569), (885, 88877), (915, 85963), (1457, 53985), (1829, 43005), (1891, 41595), (2773, 28365), (2867, 27435), (3599, 21855), (4371, 17995), (5487, 14335), (5673, 13865), (7285, 10797), (8319, 9455), (8601, 9145)]