78957840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25307}}^1$

素因数の和:25336

約数の個数: 80

約数和(自身を含む): 263608128

約数和(自身を除く): 184650288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25307, 50614, 75921, 101228, 126535, 151842, 202456, 253070, 303684, 328991, 379605, 404912, 506140, 607368, 657982, 759210, 986973, 1012280, 1214736, 1315964, 1518420, 1644955, 1973946, 2024560, 2631928, 3036840, 3289910, 3947892, 4934865, 5263856, 6073680, 6579820, 7895784, 9869730, 13159640, 15791568, 19739460, 26319280, 39478920, 78957840]

約数ペア:

[(1, 78957840), (2, 39478920), (3, 26319280), (4, 19739460), (5, 15791568), (6, 13159640), (8, 9869730), (10, 7895784), (12, 6579820), (13, 6073680), (15, 5263856), (16, 4934865), (20, 3947892), (24, 3289910), (26, 3036840), (30, 2631928), (39, 2024560), (40, 1973946), (48, 1644955), (52, 1518420), (60, 1315964), (65, 1214736), (78, 1012280), (80, 986973), (104, 759210), (120, 657982), (130, 607368), (156, 506140), (195, 404912), (208, 379605), (240, 328991), (260, 303684), (312, 253070), (390, 202456), (520, 151842), (624, 126535), (780, 101228), (1040, 75921), (1560, 50614), (3120, 25307)]