178960740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2099}}^1$

素因数の和:2154

約数の個数: 144

約数和(自身を含む): 603288000

約数和(自身を除く): 424327260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 490, 580, 588, 609, 735, 812, 870, 980, 1015, 1218, 1421, 1470, 1740, 2030, 2099, 2436, 2842, 2940, 3045, 4060, 4198, 4263, 5684, 6090, 6297, 7105, 8396, 8526, 10495, 12180, 12594, 14210, 14693, 17052, 20990, 21315, 25188, 28420, 29386, 31485, 41980, 42630, 44079, 58772, 60871, 62970, 73465, 85260, 88158, 102851, 121742, 125940, 146930, 176316, 182613, 205702, 220395, 243484, 293860, 304355, 308553, 365226, 411404, 426097, 440790, 514255, 608710, 617106, 730452, 852194, 881580, 913065, 1028510, 1217420, 1234212, 1278291, 1542765, 1704388, 1826130, 2057020, 2130485, 2556582, 2982679, 3085530, 3652260, 4260970, 5113164, 5965358, 6171060, 6391455, 8521940, 8948037, 11930716, 12782910, 14913395, 17896074, 25565820, 29826790, 35792148, 44740185, 59653580, 89480370, 178960740]

約数ペア:

[(1, 178960740), (2, 89480370), (3, 59653580), (4, 44740185), (5, 35792148), (6, 29826790), (7, 25565820), (10, 17896074), (12, 14913395), (14, 12782910), (15, 11930716), (20, 8948037), (21, 8521940), (28, 6391455), (29, 6171060), (30, 5965358), (35, 5113164), (42, 4260970), (49, 3652260), (58, 3085530), (60, 2982679), (70, 2556582), (84, 2130485), (87, 2057020), (98, 1826130), (105, 1704388), (116, 1542765), (140, 1278291), (145, 1234212), (147, 1217420), (174, 1028510), (196, 913065), (203, 881580), (210, 852194), (245, 730452), (290, 617106), (294, 608710), (348, 514255), (406, 440790), (420, 426097), (435, 411404), (490, 365226), (580, 308553), (588, 304355), (609, 293860), (735, 243484), (812, 220395), (870, 205702), (980, 182613), (1015, 176316), (1218, 146930), (1421, 125940), (1470, 121742), (1740, 102851), (2030, 88158), (2099, 85260), (2436, 73465), (2842, 62970), (2940, 60871), (3045, 58772), (4060, 44079), (4198, 42630), (4263, 41980), (5684, 31485), (6090, 29386), (6297, 28420), (7105, 25188), (8396, 21315), (8526, 20990), (10495, 17052), (12180, 14693), (12594, 14210)]