77777760

素因数分解:

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

素因数の和:5276

約数の個数: 96

約数和(自身を含む): 252951552

約数和(自身を除く): 175173792

約数列:

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

約数ペア:

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