155555520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5227}}^1$

素因数の和:5278

約数の個数: 112

約数和(自身を含む): 509918208

約数和(自身を除く): 354362688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5227, 5952, 7440, 9920, 10454, 14880, 15681, 20908, 26135, 29760, 31362, 41816, 52270, 62724, 78405, 83632, 104540, 125448, 156810, 162037, 167264, 209080, 250896, 313620, 324074, 334528, 418160, 486111, 501792, 627240, 648148, 810185, 836320, 972222, 1003584, 1254480, 1296296, 1620370, 1672640, 1944444, 2430555, 2508960, 2592592, 3240740, 3888888, 4861110, 5017920, 5185184, 6481480, 7777776, 9722220, 10370368, 12962960, 15555552, 19444440, 25925920, 31111104, 38888880, 51851840, 77777760, 155555520]

約数ペア:

[(1, 155555520), (2, 77777760), (3, 51851840), (4, 38888880), (5, 31111104), (6, 25925920), (8, 19444440), (10, 15555552), (12, 12962960), (15, 10370368), (16, 9722220), (20, 7777776), (24, 6481480), (30, 5185184), (31, 5017920), (32, 4861110), (40, 3888888), (48, 3240740), (60, 2592592), (62, 2508960), (64, 2430555), (80, 1944444), (93, 1672640), (96, 1620370), (120, 1296296), (124, 1254480), (155, 1003584), (160, 972222), (186, 836320), (192, 810185), (240, 648148), (248, 627240), (310, 501792), (320, 486111), (372, 418160), (465, 334528), (480, 324074), (496, 313620), (620, 250896), (744, 209080), (930, 167264), (960, 162037), (992, 156810), (1240, 125448), (1488, 104540), (1860, 83632), (1984, 78405), (2480, 62724), (2976, 52270), (3720, 41816), (4960, 31362), (5227, 29760), (5952, 26135), (7440, 20908), (9920, 15681), (10454, 14880)]