72539980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1607}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 159114816

約数和(自身を除く): 86574836

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 1220, 1607, 2257, 3214, 4514, 6428, 8035, 9028, 11285, 16070, 22570, 32140, 45140, 59459, 98027, 118918, 196054, 237836, 297295, 392108, 490135, 594590, 980270, 1189180, 1960540, 3626999, 7253998, 14507996, 18134995, 36269990, 72539980]

約数ペア:

[(1, 72539980), (2, 36269990), (4, 18134995), (5, 14507996), (10, 7253998), (20, 3626999), (37, 1960540), (61, 1189180), (74, 980270), (122, 594590), (148, 490135), (185, 392108), (244, 297295), (305, 237836), (370, 196054), (610, 118918), (740, 98027), (1220, 59459), (1607, 45140), (2257, 32140), (3214, 22570), (4514, 16070), (6428, 11285), (8035, 9028)]