72012640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{569}}^1$

素因数の和:704

約数の個数: 96

約数和(自身を含む): 196499520

約数和(自身を除く): 124486880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 113, 140, 160, 224, 226, 280, 452, 560, 565, 569, 791, 904, 1120, 1130, 1138, 1582, 1808, 2260, 2276, 2845, 3164, 3616, 3955, 3983, 4520, 4552, 5690, 6328, 7910, 7966, 9040, 9104, 11380, 12656, 15820, 15932, 18080, 18208, 19915, 22760, 25312, 31640, 31864, 39830, 45520, 63280, 63728, 64297, 79660, 91040, 126560, 127456, 128594, 159320, 257188, 318640, 321485, 450079, 514376, 637280, 642970, 900158, 1028752, 1285940, 1800316, 2057504, 2250395, 2571880, 3600632, 4500790, 5143760, 7201264, 9001580, 10287520, 14402528, 18003160, 36006320, 72012640]

約数ペア:

[(1, 72012640), (2, 36006320), (4, 18003160), (5, 14402528), (7, 10287520), (8, 9001580), (10, 7201264), (14, 5143760), (16, 4500790), (20, 3600632), (28, 2571880), (32, 2250395), (35, 2057504), (40, 1800316), (56, 1285940), (70, 1028752), (80, 900158), (112, 642970), (113, 637280), (140, 514376), (160, 450079), (224, 321485), (226, 318640), (280, 257188), (452, 159320), (560, 128594), (565, 127456), (569, 126560), (791, 91040), (904, 79660), (1120, 64297), (1130, 63728), (1138, 63280), (1582, 45520), (1808, 39830), (2260, 31864), (2276, 31640), (2845, 25312), (3164, 22760), (3616, 19915), (3955, 18208), (3983, 18080), (4520, 15932), (4552, 15820), (5690, 12656), (6328, 11380), (7910, 9104), (7966, 9040)]