87973620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1350

約数の個数: 144

約数和(自身を含む): 299230848

約数和(自身を除く): 211257228

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, 1301, 1380, 1470, 1610, 1932, 2254, 2415, 2602, 2940, 3220, 3381, 3903, 4508, 4830, 5204, 5635, 6505, 6762, 7806, 9107, 9660, 11270, 13010, 13524, 15612, 16905, 18214, 19515, 22540, 26020, 27321, 29923, 33810, 36428, 39030, 45535, 54642, 59846, 63749, 67620, 78060, 89769, 91070, 109284, 119692, 127498, 136605, 149615, 179538, 182140, 191247, 209461, 254996, 273210, 299230, 318745, 359076, 382494, 418922, 448845, 546420, 598460, 628383, 637490, 764988, 837844, 897690, 956235, 1047305, 1256766, 1274980, 1466227, 1795380, 1912470, 2094610, 2513532, 2932454, 3141915, 3824940, 4189220, 4398681, 5864908, 6283830, 7331135, 8797362, 12567660, 14662270, 17594724, 21993405, 29324540, 43986810, 87973620]

約数ペア:

[(1, 87973620), (2, 43986810), (3, 29324540), (4, 21993405), (5, 17594724), (6, 14662270), (7, 12567660), (10, 8797362), (12, 7331135), (14, 6283830), (15, 5864908), (20, 4398681), (21, 4189220), (23, 3824940), (28, 3141915), (30, 2932454), (35, 2513532), (42, 2094610), (46, 1912470), (49, 1795380), (60, 1466227), (69, 1274980), (70, 1256766), (84, 1047305), (92, 956235), (98, 897690), (105, 837844), (115, 764988), (138, 637490), (140, 628383), (147, 598460), (161, 546420), (196, 448845), (210, 418922), (230, 382494), (245, 359076), (276, 318745), (294, 299230), (322, 273210), (345, 254996), (420, 209461), (460, 191247), (483, 182140), (490, 179538), (588, 149615), (644, 136605), (690, 127498), (735, 119692), (805, 109284), (966, 91070), (980, 89769), (1127, 78060), (1301, 67620), (1380, 63749), (1470, 59846), (1610, 54642), (1932, 45535), (2254, 39030), (2415, 36428), (2602, 33810), (2940, 29923), (3220, 27321), (3381, 26020), (3903, 22540), (4508, 19515), (4830, 18214), (5204, 16905), (5635, 15612), (6505, 13524), (6762, 13010), (7806, 11270), (9107, 9660)]