177557580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 556256064

約数和(自身を除く): 378698484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 103, 122, 157, 180, 183, 206, 244, 305, 309, 314, 366, 412, 471, 515, 549, 610, 618, 628, 732, 785, 915, 927, 942, 1030, 1098, 1220, 1236, 1413, 1545, 1570, 1830, 1854, 1884, 2060, 2196, 2355, 2745, 2826, 3090, 3140, 3660, 3708, 4635, 4710, 5490, 5652, 6180, 6283, 7065, 9270, 9420, 9577, 10980, 12566, 14130, 16171, 18540, 18849, 19154, 25132, 28260, 28731, 31415, 32342, 37698, 38308, 47885, 48513, 56547, 57462, 62830, 64684, 75396, 80855, 86193, 94245, 95770, 97026, 113094, 114924, 125660, 143655, 145539, 161710, 172386, 188490, 191540, 194052, 226188, 242565, 282735, 287310, 291078, 323420, 344772, 376980, 430965, 485130, 565470, 574620, 582156, 727695, 861930, 970260, 986431, 1130940, 1455390, 1723860, 1972862, 2910780, 2959293, 3945724, 4932155, 5918586, 8877879, 9864310, 11837172, 14796465, 17755758, 19728620, 29592930, 35511516, 44389395, 59185860, 88778790, 177557580]

約数ペア:

[(1, 177557580), (2, 88778790), (3, 59185860), (4, 44389395), (5, 35511516), (6, 29592930), (9, 19728620), (10, 17755758), (12, 14796465), (15, 11837172), (18, 9864310), (20, 8877879), (30, 5918586), (36, 4932155), (45, 3945724), (60, 2959293), (61, 2910780), (90, 1972862), (103, 1723860), (122, 1455390), (157, 1130940), (180, 986431), (183, 970260), (206, 861930), (244, 727695), (305, 582156), (309, 574620), (314, 565470), (366, 485130), (412, 430965), (471, 376980), (515, 344772), (549, 323420), (610, 291078), (618, 287310), (628, 282735), (732, 242565), (785, 226188), (915, 194052), (927, 191540), (942, 188490), (1030, 172386), (1098, 161710), (1220, 145539), (1236, 143655), (1413, 125660), (1545, 114924), (1570, 113094), (1830, 97026), (1854, 95770), (1884, 94245), (2060, 86193), (2196, 80855), (2355, 75396), (2745, 64684), (2826, 62830), (3090, 57462), (3140, 56547), (3660, 48513), (3708, 47885), (4635, 38308), (4710, 37698), (5490, 32342), (5652, 31415), (6180, 28731), (6283, 28260), (7065, 25132), (9270, 19154), (9420, 18849), (9577, 18540), (10980, 16171), (12566, 14130)]