178831380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4679}}^1$

素因数の和:4718

約数の個数: 144

約数和(自身を含む): 627419520

約数和(自身を除く): 448588140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 4679, 5460, 6370, 7644, 9358, 9555, 12740, 14037, 18716, 19110, 23395, 28074, 32753, 38220, 46790, 56148, 60827, 65506, 70185, 93580, 98259, 121654, 131012, 140370, 163765, 182481, 196518, 229271, 243308, 280740, 304135, 327530, 364962, 393036, 425789, 458542, 491295, 608270, 655060, 687813, 729924, 851578, 912405, 917084, 982590, 1146355, 1216540, 1277367, 1375626, 1703156, 1824810, 1965180, 2128945, 2292710, 2554734, 2751252, 2980523, 3439065, 3649620, 4257890, 4585420, 5109468, 5961046, 6386835, 6878130, 8515780, 8941569, 11922092, 12773670, 13756260, 14902615, 17883138, 25547340, 29805230, 35766276, 44707845, 59610460, 89415690, 178831380]

約数ペア:

[(1, 178831380), (2, 89415690), (3, 59610460), (4, 44707845), (5, 35766276), (6, 29805230), (7, 25547340), (10, 17883138), (12, 14902615), (13, 13756260), (14, 12773670), (15, 11922092), (20, 8941569), (21, 8515780), (26, 6878130), (28, 6386835), (30, 5961046), (35, 5109468), (39, 4585420), (42, 4257890), (49, 3649620), (52, 3439065), (60, 2980523), (65, 2751252), (70, 2554734), (78, 2292710), (84, 2128945), (91, 1965180), (98, 1824810), (105, 1703156), (130, 1375626), (140, 1277367), (147, 1216540), (156, 1146355), (182, 982590), (195, 917084), (196, 912405), (210, 851578), (245, 729924), (260, 687813), (273, 655060), (294, 608270), (364, 491295), (390, 458542), (420, 425789), (455, 393036), (490, 364962), (546, 327530), (588, 304135), (637, 280740), (735, 243308), (780, 229271), (910, 196518), (980, 182481), (1092, 163765), (1274, 140370), (1365, 131012), (1470, 121654), (1820, 98259), (1911, 93580), (2548, 70185), (2730, 65506), (2940, 60827), (3185, 56148), (3822, 46790), (4679, 38220), (5460, 32753), (6370, 28074), (7644, 23395), (9358, 19110), (9555, 18716), (12740, 14037)]