25692660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{971}}^1$

素因数の和:1003

約数の個数: 144

約数和(自身を含む): 93078720

約数和(自身を除く): 67386060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 971, 980, 1260, 1323, 1470, 1764, 1890, 1942, 2205, 2646, 2913, 2940, 3780, 3884, 4410, 4855, 5292, 5826, 6615, 6797, 8739, 8820, 9710, 11652, 13230, 13594, 14565, 17478, 19420, 20391, 26217, 26460, 27188, 29130, 33985, 34956, 40782, 43695, 47579, 52434, 58260, 61173, 67970, 81564, 87390, 95158, 101955, 104868, 122346, 131085, 135940, 142737, 174780, 183519, 190316, 203910, 237895, 244692, 262170, 285474, 305865, 367038, 407820, 428211, 475790, 524340, 570948, 611730, 713685, 734076, 856422, 917595, 951580, 1223460, 1284633, 1427370, 1712844, 1835190, 2141055, 2569266, 2854740, 3670380, 4282110, 5138532, 6423165, 8564220, 12846330, 25692660]

約数ペア:

[(1, 25692660), (2, 12846330), (3, 8564220), (4, 6423165), (5, 5138532), (6, 4282110), (7, 3670380), (9, 2854740), (10, 2569266), (12, 2141055), (14, 1835190), (15, 1712844), (18, 1427370), (20, 1284633), (21, 1223460), (27, 951580), (28, 917595), (30, 856422), (35, 734076), (36, 713685), (42, 611730), (45, 570948), (49, 524340), (54, 475790), (60, 428211), (63, 407820), (70, 367038), (84, 305865), (90, 285474), (98, 262170), (105, 244692), (108, 237895), (126, 203910), (135, 190316), (140, 183519), (147, 174780), (180, 142737), (189, 135940), (196, 131085), (210, 122346), (245, 104868), (252, 101955), (270, 95158), (294, 87390), (315, 81564), (378, 67970), (420, 61173), (441, 58260), (490, 52434), (540, 47579), (588, 43695), (630, 40782), (735, 34956), (756, 33985), (882, 29130), (945, 27188), (971, 26460), (980, 26217), (1260, 20391), (1323, 19420), (1470, 17478), (1764, 14565), (1890, 13594), (1942, 13230), (2205, 11652), (2646, 9710), (2913, 8820), (2940, 8739), (3780, 6797), (3884, 6615), (4410, 5826), (4855, 5292)]