178987920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5693}}^1$

素因数の和:5840

約数の個数: 80

約数和(自身を含む): 559196352

約数和(自身を除く): 380208432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 5240, 5693, 6288, 7860, 10480, 11386, 15720, 17079, 22772, 28465, 31440, 34158, 45544, 56930, 68316, 85395, 91088, 113860, 136632, 170790, 227720, 273264, 341580, 455440, 683160, 745783, 1366320, 1491566, 2237349, 2983132, 3728915, 4474698, 5966264, 7457830, 8949396, 11186745, 11932528, 14915660, 17898792, 22373490, 29831320, 35797584, 44746980, 59662640, 89493960, 178987920]

約数ペア:

[(1, 178987920), (2, 89493960), (3, 59662640), (4, 44746980), (5, 35797584), (6, 29831320), (8, 22373490), (10, 17898792), (12, 14915660), (15, 11932528), (16, 11186745), (20, 8949396), (24, 7457830), (30, 5966264), (40, 4474698), (48, 3728915), (60, 2983132), (80, 2237349), (120, 1491566), (131, 1366320), (240, 745783), (262, 683160), (393, 455440), (524, 341580), (655, 273264), (786, 227720), (1048, 170790), (1310, 136632), (1572, 113860), (1965, 91088), (2096, 85395), (2620, 68316), (3144, 56930), (3930, 45544), (5240, 34158), (5693, 31440), (6288, 28465), (7860, 22772), (10480, 17079), (11386, 15720)]