171263820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4481}}^1$

素因数の和:4520

約数の個数: 144

約数和(自身を含む): 600874848

約数和(自身を除く): 429611028

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, 4481, 5460, 6370, 7644, 8962, 9555, 12740, 13443, 17924, 19110, 22405, 26886, 31367, 38220, 44810, 53772, 58253, 62734, 67215, 89620, 94101, 116506, 125468, 134430, 156835, 174759, 188202, 219569, 233012, 268860, 291265, 313670, 349518, 376404, 407771, 439138, 470505, 582530, 627340, 658707, 699036, 815542, 873795, 878276, 941010, 1097845, 1165060, 1223313, 1317414, 1631084, 1747590, 1882020, 2038855, 2195690, 2446626, 2634828, 2854397, 3293535, 3495180, 4077710, 4391380, 4893252, 5708794, 6116565, 6587070, 8155420, 8563191, 11417588, 12233130, 13174140, 14271985, 17126382, 24466260, 28543970, 34252764, 42815955, 57087940, 85631910, 171263820]

約数ペア:

[(1, 171263820), (2, 85631910), (3, 57087940), (4, 42815955), (5, 34252764), (6, 28543970), (7, 24466260), (10, 17126382), (12, 14271985), (13, 13174140), (14, 12233130), (15, 11417588), (20, 8563191), (21, 8155420), (26, 6587070), (28, 6116565), (30, 5708794), (35, 4893252), (39, 4391380), (42, 4077710), (49, 3495180), (52, 3293535), (60, 2854397), (65, 2634828), (70, 2446626), (78, 2195690), (84, 2038855), (91, 1882020), (98, 1747590), (105, 1631084), (130, 1317414), (140, 1223313), (147, 1165060), (156, 1097845), (182, 941010), (195, 878276), (196, 873795), (210, 815542), (245, 699036), (260, 658707), (273, 627340), (294, 582530), (364, 470505), (390, 439138), (420, 407771), (455, 376404), (490, 349518), (546, 313670), (588, 291265), (637, 268860), (735, 233012), (780, 219569), (910, 188202), (980, 174759), (1092, 156835), (1274, 134430), (1365, 125468), (1470, 116506), (1820, 94101), (1911, 89620), (2548, 67215), (2730, 62734), (2940, 58253), (3185, 53772), (3822, 44810), (4481, 38220), (5460, 31367), (6370, 26886), (7644, 22405), (8962, 19110), (9555, 17924), (12740, 13443)]