25270020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 81768960

約数和(自身を除く): 56498940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 47, 58, 60, 87, 90, 94, 103, 116, 141, 145, 174, 180, 188, 206, 235, 261, 282, 290, 309, 348, 412, 423, 435, 470, 515, 522, 564, 580, 618, 705, 846, 870, 927, 940, 1030, 1044, 1236, 1305, 1363, 1410, 1545, 1692, 1740, 1854, 2060, 2115, 2610, 2726, 2820, 2987, 3090, 3708, 4089, 4230, 4635, 4841, 5220, 5452, 5974, 6180, 6815, 8178, 8460, 8961, 9270, 9682, 11948, 12267, 13630, 14523, 14935, 16356, 17922, 18540, 19364, 20445, 24205, 24534, 26883, 27260, 29046, 29870, 35844, 40890, 43569, 44805, 48410, 49068, 53766, 58092, 59740, 61335, 72615, 81780, 87138, 89610, 96820, 107532, 122670, 134415, 140389, 145230, 174276, 179220, 217845, 245340, 268830, 280778, 290460, 421167, 435690, 537660, 561556, 701945, 842334, 871380, 1263501, 1403890, 1684668, 2105835, 2527002, 2807780, 4211670, 5054004, 6317505, 8423340, 12635010, 25270020]

約数ペア:

[(1, 25270020), (2, 12635010), (3, 8423340), (4, 6317505), (5, 5054004), (6, 4211670), (9, 2807780), (10, 2527002), (12, 2105835), (15, 1684668), (18, 1403890), (20, 1263501), (29, 871380), (30, 842334), (36, 701945), (45, 561556), (47, 537660), (58, 435690), (60, 421167), (87, 290460), (90, 280778), (94, 268830), (103, 245340), (116, 217845), (141, 179220), (145, 174276), (174, 145230), (180, 140389), (188, 134415), (206, 122670), (235, 107532), (261, 96820), (282, 89610), (290, 87138), (309, 81780), (348, 72615), (412, 61335), (423, 59740), (435, 58092), (470, 53766), (515, 49068), (522, 48410), (564, 44805), (580, 43569), (618, 40890), (705, 35844), (846, 29870), (870, 29046), (927, 27260), (940, 26883), (1030, 24534), (1044, 24205), (1236, 20445), (1305, 19364), (1363, 18540), (1410, 17922), (1545, 16356), (1692, 14935), (1740, 14523), (1854, 13630), (2060, 12267), (2115, 11948), (2610, 9682), (2726, 9270), (2820, 8961), (2987, 8460), (3090, 8178), (3708, 6815), (4089, 6180), (4230, 5974), (4635, 5452), (4841, 5220)]