78178320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9871}}^1$

素因数の和:9901

約数の個数: 120

約数和(自身を含む): 286445952

約数和(自身を除く): 208267632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 9871, 19742, 29613, 39484, 49355, 59226, 78968, 88839, 98710, 108581, 118452, 148065, 157936, 177678, 197420, 217162, 236904, 296130, 325743, 355356, 394840, 434324, 444195, 473808, 542905, 592260, 651486, 710712, 789680, 868648, 888390, 977229, 1085810, 1184520, 1302972, 1421424, 1628715, 1737296, 1776780, 1954458, 2171620, 2369040, 2605944, 3257430, 3553560, 3908916, 4343240, 4886145, 5211888, 6514860, 7107120, 7817832, 8686480, 9772290, 13029720, 15635664, 19544580, 26059440, 39089160, 78178320]

約数ペア:

[(1, 78178320), (2, 39089160), (3, 26059440), (4, 19544580), (5, 15635664), (6, 13029720), (8, 9772290), (9, 8686480), (10, 7817832), (11, 7107120), (12, 6514860), (15, 5211888), (16, 4886145), (18, 4343240), (20, 3908916), (22, 3553560), (24, 3257430), (30, 2605944), (33, 2369040), (36, 2171620), (40, 1954458), (44, 1776780), (45, 1737296), (48, 1628715), (55, 1421424), (60, 1302972), (66, 1184520), (72, 1085810), (80, 977229), (88, 888390), (90, 868648), (99, 789680), (110, 710712), (120, 651486), (132, 592260), (144, 542905), (165, 473808), (176, 444195), (180, 434324), (198, 394840), (220, 355356), (240, 325743), (264, 296130), (330, 236904), (360, 217162), (396, 197420), (440, 177678), (495, 157936), (528, 148065), (660, 118452), (720, 108581), (792, 98710), (880, 88839), (990, 78968), (1320, 59226), (1584, 49355), (1980, 39484), (2640, 29613), (3960, 19742), (7920, 9871)]