168973840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15881}}^1$

素因数の和:15920

約数の個数: 80

約数和(自身を含む): 472648320

約数和(自身を除く): 303674480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 15881, 31762, 63524, 79405, 111167, 127048, 158810, 222334, 254096, 301739, 317620, 444668, 555835, 603478, 635240, 889336, 1111670, 1206956, 1270480, 1508695, 1778672, 2112173, 2223340, 2413912, 3017390, 4224346, 4446680, 4827824, 6034780, 8448692, 8893360, 10560865, 12069560, 16897384, 21121730, 24139120, 33794768, 42243460, 84486920, 168973840]

約数ペア:

[(1, 168973840), (2, 84486920), (4, 42243460), (5, 33794768), (7, 24139120), (8, 21121730), (10, 16897384), (14, 12069560), (16, 10560865), (19, 8893360), (20, 8448692), (28, 6034780), (35, 4827824), (38, 4446680), (40, 4224346), (56, 3017390), (70, 2413912), (76, 2223340), (80, 2112173), (95, 1778672), (112, 1508695), (133, 1270480), (140, 1206956), (152, 1111670), (190, 889336), (266, 635240), (280, 603478), (304, 555835), (380, 444668), (532, 317620), (560, 301739), (665, 254096), (760, 222334), (1064, 158810), (1330, 127048), (1520, 111167), (2128, 79405), (2660, 63524), (5320, 31762), (10640, 15881)]