131441580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11971}}^1$

素因数の和:12047

約数の個数: 72

約数和(自身を含む): 405276144

約数和(自身を除く): 273834564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 11971, 23942, 35913, 47884, 59855, 71826, 107739, 119710, 143652, 179565, 215478, 239420, 359130, 430956, 538695, 718260, 730231, 1077390, 1460462, 2154780, 2190693, 2920924, 3651155, 4381386, 6572079, 7302310, 8762772, 10953465, 13144158, 14604620, 21906930, 26288316, 32860395, 43813860, 65720790, 131441580]

約数ペア:

[(1, 131441580), (2, 65720790), (3, 43813860), (4, 32860395), (5, 26288316), (6, 21906930), (9, 14604620), (10, 13144158), (12, 10953465), (15, 8762772), (18, 7302310), (20, 6572079), (30, 4381386), (36, 3651155), (45, 2920924), (60, 2190693), (61, 2154780), (90, 1460462), (122, 1077390), (180, 730231), (183, 718260), (244, 538695), (305, 430956), (366, 359130), (549, 239420), (610, 215478), (732, 179565), (915, 143652), (1098, 119710), (1220, 107739), (1830, 71826), (2196, 59855), (2745, 47884), (3660, 35913), (5490, 23942), (10980, 11971)]