51130240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 142326720

約数和(自身を除く): 91196480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 113, 128, 140, 160, 202, 224, 226, 280, 320, 404, 448, 452, 505, 560, 565, 640, 707, 791, 808, 896, 904, 1010, 1120, 1130, 1414, 1582, 1616, 1808, 2020, 2240, 2260, 2828, 3164, 3232, 3535, 3616, 3955, 4040, 4480, 4520, 5656, 6328, 6464, 7070, 7232, 7910, 8080, 9040, 11312, 11413, 12656, 12928, 14140, 14464, 15820, 16160, 18080, 22624, 22826, 25312, 28280, 31640, 32320, 36160, 45248, 45652, 50624, 56560, 57065, 63280, 64640, 72320, 79891, 90496, 91304, 101248, 113120, 114130, 126560, 159782, 182608, 226240, 228260, 253120, 319564, 365216, 399455, 452480, 456520, 506240, 639128, 730432, 798910, 913040, 1278256, 1460864, 1597820, 1826080, 2556512, 3195640, 3652160, 5113024, 6391280, 7304320, 10226048, 12782560, 25565120, 51130240]

約数ペア:

[(1, 51130240), (2, 25565120), (4, 12782560), (5, 10226048), (7, 7304320), (8, 6391280), (10, 5113024), (14, 3652160), (16, 3195640), (20, 2556512), (28, 1826080), (32, 1597820), (35, 1460864), (40, 1278256), (56, 913040), (64, 798910), (70, 730432), (80, 639128), (101, 506240), (112, 456520), (113, 452480), (128, 399455), (140, 365216), (160, 319564), (202, 253120), (224, 228260), (226, 226240), (280, 182608), (320, 159782), (404, 126560), (448, 114130), (452, 113120), (505, 101248), (560, 91304), (565, 90496), (640, 79891), (707, 72320), (791, 64640), (808, 63280), (896, 57065), (904, 56560), (1010, 50624), (1120, 45652), (1130, 45248), (1414, 36160), (1582, 32320), (1616, 31640), (1808, 28280), (2020, 25312), (2240, 22826), (2260, 22624), (2828, 18080), (3164, 16160), (3232, 15820), (3535, 14464), (3616, 14140), (3955, 12928), (4040, 12656), (4480, 11413), (4520, 11312), (5656, 9040), (6328, 8080), (6464, 7910), (7070, 7232)]