181008240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:847

約数の個数: 160

約数和(自身を含む): 646196736

約数和(自身を除く): 465188496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 163, 168, 210, 240, 280, 326, 336, 420, 489, 560, 652, 661, 815, 840, 978, 1141, 1304, 1322, 1630, 1680, 1956, 1983, 2282, 2445, 2608, 2644, 3260, 3305, 3423, 3912, 3966, 4564, 4627, 4890, 5288, 5705, 6520, 6610, 6846, 7824, 7932, 9128, 9254, 9780, 9915, 10576, 11410, 13040, 13220, 13692, 13881, 15864, 17115, 18256, 18508, 19560, 19830, 22820, 23135, 26440, 27384, 27762, 31728, 34230, 37016, 39120, 39660, 45640, 46270, 52880, 54768, 55524, 68460, 69405, 74032, 79320, 91280, 92540, 107743, 111048, 136920, 138810, 158640, 185080, 215486, 222096, 273840, 277620, 323229, 370160, 430972, 538715, 555240, 646458, 754201, 861944, 1077430, 1110480, 1292916, 1508402, 1616145, 1723888, 2154860, 2262603, 2585832, 3016804, 3232290, 3771005, 4309720, 4525206, 5171664, 6033608, 6464580, 7542010, 8619440, 9050412, 11313015, 12067216, 12929160, 15084020, 18100824, 22626030, 25858320, 30168040, 36201648, 45252060, 60336080, 90504120, 181008240]

約数ペア:

[(1, 181008240), (2, 90504120), (3, 60336080), (4, 45252060), (5, 36201648), (6, 30168040), (7, 25858320), (8, 22626030), (10, 18100824), (12, 15084020), (14, 12929160), (15, 12067216), (16, 11313015), (20, 9050412), (21, 8619440), (24, 7542010), (28, 6464580), (30, 6033608), (35, 5171664), (40, 4525206), (42, 4309720), (48, 3771005), (56, 3232290), (60, 3016804), (70, 2585832), (80, 2262603), (84, 2154860), (105, 1723888), (112, 1616145), (120, 1508402), (140, 1292916), (163, 1110480), (168, 1077430), (210, 861944), (240, 754201), (280, 646458), (326, 555240), (336, 538715), (420, 430972), (489, 370160), (560, 323229), (652, 277620), (661, 273840), (815, 222096), (840, 215486), (978, 185080), (1141, 158640), (1304, 138810), (1322, 136920), (1630, 111048), (1680, 107743), (1956, 92540), (1983, 91280), (2282, 79320), (2445, 74032), (2608, 69405), (2644, 68460), (3260, 55524), (3305, 54768), (3423, 52880), (3912, 46270), (3966, 45640), (4564, 39660), (4627, 39120), (4890, 37016), (5288, 34230), (5705, 31728), (6520, 27762), (6610, 27384), (6846, 26440), (7824, 23135), (7932, 22820), (9128, 19830), (9254, 19560), (9780, 18508), (9915, 18256), (10576, 17115), (11410, 15864), (13040, 13881), (13220, 13692)]