123017580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1208

約数の個数: 144

約数和(自身を含む): 431645760

約数和(自身を除く): 308628180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 801, 890, 1068, 1097, 1246, 1260, 1335, 1602, 1780, 1869, 2194, 2492, 2670, 3115, 3204, 3291, 3738, 4005, 4388, 5340, 5485, 5607, 6230, 6582, 7476, 7679, 8010, 9345, 9873, 10970, 11214, 12460, 13164, 15358, 16020, 16455, 18690, 19746, 21940, 22428, 23037, 28035, 30716, 32910, 37380, 38395, 39492, 46074, 49365, 56070, 65820, 69111, 76790, 92148, 97633, 98730, 112140, 115185, 138222, 153580, 195266, 197460, 230370, 276444, 292899, 345555, 390532, 460740, 488165, 585798, 683431, 691110, 878697, 976330, 1171596, 1366862, 1382220, 1464495, 1757394, 1952660, 2050293, 2733724, 2928990, 3417155, 3514788, 4100586, 4393485, 5857980, 6150879, 6834310, 8201172, 8786970, 10251465, 12301758, 13668620, 17573940, 20502930, 24603516, 30754395, 41005860, 61508790, 123017580]

約数ペア:

[(1, 123017580), (2, 61508790), (3, 41005860), (4, 30754395), (5, 24603516), (6, 20502930), (7, 17573940), (9, 13668620), (10, 12301758), (12, 10251465), (14, 8786970), (15, 8201172), (18, 6834310), (20, 6150879), (21, 5857980), (28, 4393485), (30, 4100586), (35, 3514788), (36, 3417155), (42, 2928990), (45, 2733724), (60, 2050293), (63, 1952660), (70, 1757394), (84, 1464495), (89, 1382220), (90, 1366862), (105, 1171596), (126, 976330), (140, 878697), (178, 691110), (180, 683431), (210, 585798), (252, 488165), (267, 460740), (315, 390532), (356, 345555), (420, 292899), (445, 276444), (534, 230370), (623, 197460), (630, 195266), (801, 153580), (890, 138222), (1068, 115185), (1097, 112140), (1246, 98730), (1260, 97633), (1335, 92148), (1602, 76790), (1780, 69111), (1869, 65820), (2194, 56070), (2492, 49365), (2670, 46074), (3115, 39492), (3204, 38395), (3291, 37380), (3738, 32910), (4005, 30716), (4388, 28035), (5340, 23037), (5485, 22428), (5607, 21940), (6230, 19746), (6582, 18690), (7476, 16455), (7679, 16020), (8010, 15358), (9345, 13164), (9873, 12460), (10970, 11214)]