69680940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 229938912

約数和(自身を除く): 160257972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 137, 140, 147, 173, 196, 210, 245, 274, 294, 346, 411, 420, 490, 519, 548, 588, 685, 692, 735, 822, 865, 959, 980, 1038, 1211, 1370, 1470, 1644, 1730, 1918, 2055, 2076, 2422, 2595, 2740, 2877, 2940, 3460, 3633, 3836, 4110, 4795, 4844, 5190, 5754, 6055, 6713, 7266, 8220, 8477, 9590, 10380, 11508, 12110, 13426, 14385, 14532, 16954, 18165, 19180, 20139, 23701, 24220, 25431, 26852, 28770, 33565, 33908, 36330, 40278, 42385, 47402, 50862, 57540, 67130, 71103, 72660, 80556, 84770, 94804, 100695, 101724, 118505, 127155, 134260, 142206, 165907, 169540, 201390, 237010, 254310, 284412, 331814, 355515, 402780, 474020, 497721, 508620, 663628, 711030, 829535, 995442, 1161349, 1422060, 1659070, 1990884, 2322698, 2488605, 3318140, 3484047, 4645396, 4977210, 5806745, 6968094, 9954420, 11613490, 13936188, 17420235, 23226980, 34840470, 69680940]

約数ペア:

[(1, 69680940), (2, 34840470), (3, 23226980), (4, 17420235), (5, 13936188), (6, 11613490), (7, 9954420), (10, 6968094), (12, 5806745), (14, 4977210), (15, 4645396), (20, 3484047), (21, 3318140), (28, 2488605), (30, 2322698), (35, 1990884), (42, 1659070), (49, 1422060), (60, 1161349), (70, 995442), (84, 829535), (98, 711030), (105, 663628), (137, 508620), (140, 497721), (147, 474020), (173, 402780), (196, 355515), (210, 331814), (245, 284412), (274, 254310), (294, 237010), (346, 201390), (411, 169540), (420, 165907), (490, 142206), (519, 134260), (548, 127155), (588, 118505), (685, 101724), (692, 100695), (735, 94804), (822, 84770), (865, 80556), (959, 72660), (980, 71103), (1038, 67130), (1211, 57540), (1370, 50862), (1470, 47402), (1644, 42385), (1730, 40278), (1918, 36330), (2055, 33908), (2076, 33565), (2422, 28770), (2595, 26852), (2740, 25431), (2877, 24220), (2940, 23701), (3460, 20139), (3633, 19180), (3836, 18165), (4110, 16954), (4795, 14532), (4844, 14385), (5190, 13426), (5754, 12110), (6055, 11508), (6713, 10380), (7266, 9590), (8220, 8477)]