123337980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7699}}^1$

素因数の和:7803

約数の個数: 72

約数和(自身を含む): 378378000

約数和(自身を除く): 255040020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 7699, 8010, 15398, 16020, 23097, 30796, 38495, 46194, 69291, 76990, 92388, 115485, 138582, 153980, 230970, 277164, 346455, 461940, 685211, 692910, 1370422, 1385820, 2055633, 2740844, 3426055, 4111266, 6166899, 6852110, 8222532, 10278165, 12333798, 13704220, 20556330, 24667596, 30834495, 41112660, 61668990, 123337980]

約数ペア:

[(1, 123337980), (2, 61668990), (3, 41112660), (4, 30834495), (5, 24667596), (6, 20556330), (9, 13704220), (10, 12333798), (12, 10278165), (15, 8222532), (18, 6852110), (20, 6166899), (30, 4111266), (36, 3426055), (45, 2740844), (60, 2055633), (89, 1385820), (90, 1370422), (178, 692910), (180, 685211), (267, 461940), (356, 346455), (445, 277164), (534, 230970), (801, 153980), (890, 138582), (1068, 115485), (1335, 92388), (1602, 76990), (1780, 69291), (2670, 46194), (3204, 38495), (4005, 30796), (5340, 23097), (7699, 16020), (8010, 15398)]