67728780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{1097}}^1$

素因数の和:1133

約数の個数: 144

約数和(自身を含む): 239803200

約数和(自身を除く): 172074420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1097, 1260, 1372, 1470, 1715, 1764, 2058, 2194, 2205, 2940, 3087, 3291, 3430, 4116, 4388, 4410, 5145, 5485, 6174, 6582, 6860, 7679, 8820, 9873, 10290, 10970, 12348, 13164, 15358, 15435, 16455, 19746, 20580, 21940, 23037, 30716, 30870, 32910, 38395, 39492, 46074, 49365, 53753, 61740, 65820, 69111, 76790, 92148, 98730, 107506, 115185, 138222, 153580, 161259, 197460, 215012, 230370, 268765, 276444, 322518, 345555, 376271, 460740, 483777, 537530, 645036, 691110, 752542, 806295, 967554, 1075060, 1128813, 1382220, 1505084, 1612590, 1881355, 1935108, 2257626, 2418885, 3225180, 3386439, 3762710, 4515252, 4837770, 5644065, 6772878, 7525420, 9675540, 11288130, 13545756, 16932195, 22576260, 33864390, 67728780]

約数ペア:

[(1, 67728780), (2, 33864390), (3, 22576260), (4, 16932195), (5, 13545756), (6, 11288130), (7, 9675540), (9, 7525420), (10, 6772878), (12, 5644065), (14, 4837770), (15, 4515252), (18, 3762710), (20, 3386439), (21, 3225180), (28, 2418885), (30, 2257626), (35, 1935108), (36, 1881355), (42, 1612590), (45, 1505084), (49, 1382220), (60, 1128813), (63, 1075060), (70, 967554), (84, 806295), (90, 752542), (98, 691110), (105, 645036), (126, 537530), (140, 483777), (147, 460740), (180, 376271), (196, 345555), (210, 322518), (245, 276444), (252, 268765), (294, 230370), (315, 215012), (343, 197460), (420, 161259), (441, 153580), (490, 138222), (588, 115185), (630, 107506), (686, 98730), (735, 92148), (882, 76790), (980, 69111), (1029, 65820), (1097, 61740), (1260, 53753), (1372, 49365), (1470, 46074), (1715, 39492), (1764, 38395), (2058, 32910), (2194, 30870), (2205, 30716), (2940, 23037), (3087, 21940), (3291, 20580), (3430, 19746), (4116, 16455), (4388, 15435), (4410, 15358), (5145, 13164), (5485, 12348), (6174, 10970), (6582, 10290), (6860, 9873), (7679, 8820)]