138889680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 448364160

約数和(自身を除く): 309474480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 61, 80, 106, 120, 122, 159, 179, 183, 212, 240, 244, 265, 305, 318, 358, 366, 424, 488, 530, 537, 610, 636, 716, 732, 795, 848, 895, 915, 976, 1060, 1074, 1220, 1272, 1432, 1464, 1590, 1790, 1830, 2120, 2148, 2440, 2544, 2685, 2864, 2928, 3180, 3233, 3580, 3660, 4240, 4296, 4880, 5370, 6360, 6466, 7160, 7320, 8592, 9487, 9699, 10740, 10919, 12720, 12932, 14320, 14640, 16165, 18974, 19398, 21480, 21838, 25864, 28461, 32330, 32757, 37948, 38796, 42960, 43676, 47435, 48495, 51728, 54595, 56922, 64660, 65514, 75896, 77592, 87352, 94870, 96990, 109190, 113844, 129320, 131028, 142305, 151792, 155184, 163785, 174704, 189740, 193980, 218380, 227688, 258640, 262056, 284610, 327570, 379480, 387960, 436760, 455376, 524112, 569220, 578707, 655140, 758960, 775920, 873520, 1138440, 1157414, 1310280, 1736121, 2276880, 2314828, 2620560, 2893535, 3472242, 4629656, 5787070, 6944484, 8680605, 9259312, 11574140, 13888968, 17361210, 23148280, 27777936, 34722420, 46296560, 69444840, 138889680]

約数ペア:

[(1, 138889680), (2, 69444840), (3, 46296560), (4, 34722420), (5, 27777936), (6, 23148280), (8, 17361210), (10, 13888968), (12, 11574140), (15, 9259312), (16, 8680605), (20, 6944484), (24, 5787070), (30, 4629656), (40, 3472242), (48, 2893535), (53, 2620560), (60, 2314828), (61, 2276880), (80, 1736121), (106, 1310280), (120, 1157414), (122, 1138440), (159, 873520), (179, 775920), (183, 758960), (212, 655140), (240, 578707), (244, 569220), (265, 524112), (305, 455376), (318, 436760), (358, 387960), (366, 379480), (424, 327570), (488, 284610), (530, 262056), (537, 258640), (610, 227688), (636, 218380), (716, 193980), (732, 189740), (795, 174704), (848, 163785), (895, 155184), (915, 151792), (976, 142305), (1060, 131028), (1074, 129320), (1220, 113844), (1272, 109190), (1432, 96990), (1464, 94870), (1590, 87352), (1790, 77592), (1830, 75896), (2120, 65514), (2148, 64660), (2440, 56922), (2544, 54595), (2685, 51728), (2864, 48495), (2928, 47435), (3180, 43676), (3233, 42960), (3580, 38796), (3660, 37948), (4240, 32757), (4296, 32330), (4880, 28461), (5370, 25864), (6360, 21838), (6466, 21480), (7160, 19398), (7320, 18974), (8592, 16165), (9487, 14640), (9699, 14320), (10740, 12932), (10919, 12720)]