181694940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2687}}^1$

素因数の和:2736

約数の個数: 144

約数和(自身を含む): 617766912

約数和(自身を除く): 436071972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2687, 2940, 3220, 3381, 4508, 4830, 5374, 5635, 6762, 8061, 9660, 10748, 11270, 13435, 13524, 16122, 16905, 18809, 22540, 26870, 32244, 33810, 37618, 40305, 53740, 56427, 61801, 67620, 75236, 80610, 94045, 112854, 123602, 131663, 161220, 185403, 188090, 225708, 247204, 263326, 282135, 309005, 370806, 376180, 394989, 432607, 526652, 564270, 618010, 658315, 741612, 789978, 865214, 927015, 1128540, 1236020, 1297821, 1316630, 1579956, 1730428, 1854030, 1974945, 2163035, 2595642, 2633260, 3028249, 3708060, 3949890, 4326070, 5191284, 6056498, 6489105, 7899780, 8652140, 9084747, 12112996, 12978210, 15141245, 18169494, 25956420, 30282490, 36338988, 45423735, 60564980, 90847470, 181694940]

約数ペア:

[(1, 181694940), (2, 90847470), (3, 60564980), (4, 45423735), (5, 36338988), (6, 30282490), (7, 25956420), (10, 18169494), (12, 15141245), (14, 12978210), (15, 12112996), (20, 9084747), (21, 8652140), (23, 7899780), (28, 6489105), (30, 6056498), (35, 5191284), (42, 4326070), (46, 3949890), (49, 3708060), (60, 3028249), (69, 2633260), (70, 2595642), (84, 2163035), (92, 1974945), (98, 1854030), (105, 1730428), (115, 1579956), (138, 1316630), (140, 1297821), (147, 1236020), (161, 1128540), (196, 927015), (210, 865214), (230, 789978), (245, 741612), (276, 658315), (294, 618010), (322, 564270), (345, 526652), (420, 432607), (460, 394989), (483, 376180), (490, 370806), (588, 309005), (644, 282135), (690, 263326), (735, 247204), (805, 225708), (966, 188090), (980, 185403), (1127, 161220), (1380, 131663), (1470, 123602), (1610, 112854), (1932, 94045), (2254, 80610), (2415, 75236), (2687, 67620), (2940, 61801), (3220, 56427), (3381, 53740), (4508, 40305), (4830, 37618), (5374, 33810), (5635, 32244), (6762, 26870), (8061, 22540), (9660, 18809), (10748, 16905), (11270, 16122), (13435, 13524)]