257156728590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2237}}^1\times {\mathrm{166603}}^1$

素因数の和:168873

約数の個数: 64

約数和(自身を含む): 644301651456

約数和(自身を除く): 387144922866

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 2237, 4474, 6711, 11185, 13422, 22370, 33555, 51451, 67110, 102902, 154353, 166603, 257255, 308706, 333206, 499809, 514510, 771765, 833015, 999618, 1543530, 1666030, 2499045, 3831869, 4998090, 7663738, 11495607, 19159345, 22991214, 38318690, 57478035, 114956070, 372690911, 745381822, 1118072733, 1863454555, 2236145466, 3726909110, 5590363665, 8571890953, 11180727330, 17143781906, 25715672859, 42859454765, 51431345718, 85718909530, 128578364295, 257156728590]

約数ペア:

[(1, 257156728590), (2, 128578364295), (3, 85718909530), (5, 51431345718), (6, 42859454765), (10, 25715672859), (15, 17143781906), (23, 11180727330), (30, 8571890953), (46, 5590363665), (69, 3726909110), (115, 2236145466), (138, 1863454555), (230, 1118072733), (345, 745381822), (690, 372690911), (2237, 114956070), (4474, 57478035), (6711, 38318690), (11185, 22991214), (13422, 19159345), (22370, 11495607), (33555, 7663738), (51451, 4998090), (67110, 3831869), (102902, 2499045), (154353, 1666030), (166603, 1543530), (257255, 999618), (308706, 833015), (333206, 771765), (499809, 514510)]