261838320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6949}}^1$

素因数の和:7122

約数の個数: 80

約数和(自身を含む): 816986400

約数和(自身を除く): 555148080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 2512, 3140, 3768, 4710, 6280, 6949, 7536, 9420, 12560, 13898, 18840, 20847, 27796, 34745, 37680, 41694, 55592, 69490, 83388, 104235, 111184, 138980, 166776, 208470, 277960, 333552, 416940, 555920, 833880, 1090993, 1667760, 2181986, 3272979, 4363972, 5454965, 6545958, 8727944, 10909930, 13091916, 16364895, 17455888, 21819860, 26183832, 32729790, 43639720, 52367664, 65459580, 87279440, 130919160, 261838320]

約数ペア:

[(1, 261838320), (2, 130919160), (3, 87279440), (4, 65459580), (5, 52367664), (6, 43639720), (8, 32729790), (10, 26183832), (12, 21819860), (15, 17455888), (16, 16364895), (20, 13091916), (24, 10909930), (30, 8727944), (40, 6545958), (48, 5454965), (60, 4363972), (80, 3272979), (120, 2181986), (157, 1667760), (240, 1090993), (314, 833880), (471, 555920), (628, 416940), (785, 333552), (942, 277960), (1256, 208470), (1570, 166776), (1884, 138980), (2355, 111184), (2512, 104235), (3140, 83388), (3768, 69490), (4710, 55592), (6280, 41694), (6949, 37680), (7536, 34745), (9420, 27796), (12560, 20847), (13898, 18840)]