1236702640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{1693}}^1$

素因数の和:2126

約数の個数: 80

約数和(自身を含む): 3009682368

約数和(自身を除く): 1772979728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 397, 460, 794, 920, 1588, 1693, 1840, 1985, 3176, 3386, 3970, 6352, 6772, 7940, 8465, 9131, 13544, 15880, 16930, 18262, 27088, 31760, 33860, 36524, 38939, 45655, 67720, 73048, 77878, 91310, 135440, 146096, 155756, 182620, 194695, 311512, 365240, 389390, 623024, 672121, 730480, 778780, 1344242, 1557560, 2688484, 3115120, 3360605, 5376968, 6721210, 10753936, 13442420, 15458783, 26884840, 30917566, 53769680, 61835132, 77293915, 123670264, 154587830, 247340528, 309175660, 618351320, 1236702640]

約数ペア:

[(1, 1236702640), (2, 618351320), (4, 309175660), (5, 247340528), (8, 154587830), (10, 123670264), (16, 77293915), (20, 61835132), (23, 53769680), (40, 30917566), (46, 26884840), (80, 15458783), (92, 13442420), (115, 10753936), (184, 6721210), (230, 5376968), (368, 3360605), (397, 3115120), (460, 2688484), (794, 1557560), (920, 1344242), (1588, 778780), (1693, 730480), (1840, 672121), (1985, 623024), (3176, 389390), (3386, 365240), (3970, 311512), (6352, 194695), (6772, 182620), (7940, 155756), (8465, 146096), (9131, 135440), (13544, 91310), (15880, 77878), (16930, 73048), (18262, 67720), (27088, 45655), (31760, 38939), (33860, 36524)]