153990640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2003}}^1$

素因数の和:2078

約数の個数: 60

約数和(自身を含む): 370134792

約数和(自身を除く): 216144152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2003, 2480, 3844, 4006, 4805, 7688, 8012, 9610, 10015, 15376, 16024, 19220, 20030, 32048, 38440, 40060, 62093, 76880, 80120, 124186, 160240, 248372, 310465, 496744, 620930, 993488, 1241860, 1924883, 2483720, 3849766, 4967440, 7699532, 9624415, 15399064, 19248830, 30798128, 38497660, 76995320, 153990640]

約数ペア:

[(1, 153990640), (2, 76995320), (4, 38497660), (5, 30798128), (8, 19248830), (10, 15399064), (16, 9624415), (20, 7699532), (31, 4967440), (40, 3849766), (62, 2483720), (80, 1924883), (124, 1241860), (155, 993488), (248, 620930), (310, 496744), (496, 310465), (620, 248372), (961, 160240), (1240, 124186), (1922, 80120), (2003, 76880), (2480, 62093), (3844, 40060), (4006, 38440), (4805, 32048), (7688, 20030), (8012, 19220), (9610, 16024), (10015, 15376)]