156977680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 378194544

約数和(自身を除く): 221216864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 181, 185, 293, 296, 362, 370, 586, 592, 724, 740, 905, 1172, 1448, 1465, 1480, 1810, 2344, 2896, 2930, 2960, 3620, 4688, 5860, 6697, 7240, 10841, 11720, 13394, 14480, 21682, 23440, 26788, 33485, 43364, 53033, 53576, 54205, 66970, 86728, 106066, 107152, 108410, 133940, 173456, 212132, 216820, 265165, 267880, 424264, 433640, 530330, 535760, 848528, 867280, 1060660, 1962221, 2121320, 3924442, 4242640, 7848884, 9811105, 15697768, 19622210, 31395536, 39244420, 78488840, 156977680]

約数ペア:

[(1, 156977680), (2, 78488840), (4, 39244420), (5, 31395536), (8, 19622210), (10, 15697768), (16, 9811105), (20, 7848884), (37, 4242640), (40, 3924442), (74, 2121320), (80, 1962221), (148, 1060660), (181, 867280), (185, 848528), (293, 535760), (296, 530330), (362, 433640), (370, 424264), (586, 267880), (592, 265165), (724, 216820), (740, 212132), (905, 173456), (1172, 133940), (1448, 108410), (1465, 107152), (1480, 106066), (1810, 86728), (2344, 66970), (2896, 54205), (2930, 53576), (2960, 53033), (3620, 43364), (4688, 33485), (5860, 26788), (6697, 23440), (7240, 21682), (10841, 14480), (11720, 13394)]