25851420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{977}}^1$

素因数の和:1009

約数の個数: 144

約数和(自身を含む): 93653280

約数和(自身を除く): 67801860

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, 977, 980, 1260, 1323, 1470, 1764, 1890, 1954, 2205, 2646, 2931, 2940, 3780, 3908, 4410, 4885, 5292, 5862, 6615, 6839, 8793, 8820, 9770, 11724, 13230, 13678, 14655, 17586, 19540, 20517, 26379, 26460, 27356, 29310, 34195, 35172, 41034, 43965, 47873, 52758, 58620, 61551, 68390, 82068, 87930, 95746, 102585, 105516, 123102, 131895, 136780, 143619, 175860, 184653, 191492, 205170, 239365, 246204, 263790, 287238, 307755, 369306, 410340, 430857, 478730, 527580, 574476, 615510, 718095, 738612, 861714, 923265, 957460, 1231020, 1292571, 1436190, 1723428, 1846530, 2154285, 2585142, 2872380, 3693060, 4308570, 5170284, 6462855, 8617140, 12925710, 25851420]

約数ペア:

[(1, 25851420), (2, 12925710), (3, 8617140), (4, 6462855), (5, 5170284), (6, 4308570), (7, 3693060), (9, 2872380), (10, 2585142), (12, 2154285), (14, 1846530), (15, 1723428), (18, 1436190), (20, 1292571), (21, 1231020), (27, 957460), (28, 923265), (30, 861714), (35, 738612), (36, 718095), (42, 615510), (45, 574476), (49, 527580), (54, 478730), (60, 430857), (63, 410340), (70, 369306), (84, 307755), (90, 287238), (98, 263790), (105, 246204), (108, 239365), (126, 205170), (135, 191492), (140, 184653), (147, 175860), (180, 143619), (189, 136780), (196, 131895), (210, 123102), (245, 105516), (252, 102585), (270, 95746), (294, 87930), (315, 82068), (378, 68390), (420, 61551), (441, 58620), (490, 52758), (540, 47873), (588, 43965), (630, 41034), (735, 35172), (756, 34195), (882, 29310), (945, 27356), (977, 26460), (980, 26379), (1260, 20517), (1323, 19540), (1470, 17586), (1764, 14655), (1890, 13678), (1954, 13230), (2205, 11724), (2646, 9770), (2931, 8820), (2940, 8793), (3780, 6839), (3908, 6615), (4410, 5862), (4885, 5292)]