123123320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3203}}^1$

素因数の和:3276

約数の個数: 48

約数和(自身を含む): 286341480

約数和(自身を除く): 163218160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3203, 3844, 4805, 6406, 7688, 9610, 12812, 16015, 19220, 25624, 32030, 38440, 64060, 99293, 128120, 198586, 397172, 496465, 794344, 992930, 1985860, 3078083, 3971720, 6156166, 12312332, 15390415, 24624664, 30780830, 61561660, 123123320]

約数ペア:

[(1, 123123320), (2, 61561660), (4, 30780830), (5, 24624664), (8, 15390415), (10, 12312332), (20, 6156166), (31, 3971720), (40, 3078083), (62, 1985860), (124, 992930), (155, 794344), (248, 496465), (310, 397172), (620, 198586), (961, 128120), (1240, 99293), (1922, 64060), (3203, 38440), (3844, 32030), (4805, 25624), (6406, 19220), (7688, 16015), (9610, 12812)]