121572180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 383423040

約数和(自身を除く): 261850860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 113, 129, 139, 172, 180, 215, 226, 258, 278, 339, 387, 417, 430, 452, 516, 556, 565, 645, 678, 695, 774, 834, 860, 1017, 1130, 1251, 1290, 1356, 1390, 1548, 1668, 1695, 1935, 2034, 2085, 2260, 2502, 2580, 2780, 3390, 3870, 4068, 4170, 4859, 5004, 5085, 5977, 6255, 6780, 7740, 8340, 9718, 10170, 11954, 12510, 14577, 15707, 17931, 19436, 20340, 23908, 24295, 25020, 29154, 29885, 31414, 35862, 43731, 47121, 48590, 53793, 58308, 59770, 62828, 71724, 72885, 78535, 87462, 89655, 94242, 97180, 107586, 119540, 141363, 145770, 157070, 174924, 179310, 188484, 215172, 218655, 235605, 268965, 282726, 291540, 314140, 358620, 437310, 471210, 537930, 565452, 675401, 706815, 874620, 942420, 1075860, 1350802, 1413630, 2026203, 2701604, 2827260, 3377005, 4052406, 6078609, 6754010, 8104812, 10131015, 12157218, 13508020, 20262030, 24314436, 30393045, 40524060, 60786090, 121572180]

約数ペア:

[(1, 121572180), (2, 60786090), (3, 40524060), (4, 30393045), (5, 24314436), (6, 20262030), (9, 13508020), (10, 12157218), (12, 10131015), (15, 8104812), (18, 6754010), (20, 6078609), (30, 4052406), (36, 3377005), (43, 2827260), (45, 2701604), (60, 2026203), (86, 1413630), (90, 1350802), (113, 1075860), (129, 942420), (139, 874620), (172, 706815), (180, 675401), (215, 565452), (226, 537930), (258, 471210), (278, 437310), (339, 358620), (387, 314140), (417, 291540), (430, 282726), (452, 268965), (516, 235605), (556, 218655), (565, 215172), (645, 188484), (678, 179310), (695, 174924), (774, 157070), (834, 145770), (860, 141363), (1017, 119540), (1130, 107586), (1251, 97180), (1290, 94242), (1356, 89655), (1390, 87462), (1548, 78535), (1668, 72885), (1695, 71724), (1935, 62828), (2034, 59770), (2085, 58308), (2260, 53793), (2502, 48590), (2580, 47121), (2780, 43731), (3390, 35862), (3870, 31414), (4068, 29885), (4170, 29154), (4859, 25020), (5004, 24295), (5085, 23908), (5977, 20340), (6255, 19436), (6780, 17931), (7740, 15707), (8340, 14577), (9718, 12510), (10170, 11954)]