28171320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 90201600

約数和(自身を除く): 62030280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 115, 118, 120, 138, 173, 177, 184, 230, 236, 276, 295, 345, 346, 354, 460, 472, 519, 552, 590, 690, 692, 708, 865, 885, 920, 1038, 1180, 1357, 1380, 1384, 1416, 1730, 1770, 2076, 2360, 2595, 2714, 2760, 3460, 3540, 3979, 4071, 4152, 5190, 5428, 6785, 6920, 7080, 7958, 8142, 10207, 10380, 10856, 11937, 13570, 15916, 16284, 19895, 20355, 20414, 20760, 23874, 27140, 30621, 31832, 32568, 39790, 40710, 40828, 47748, 51035, 54280, 59685, 61242, 79580, 81420, 81656, 95496, 102070, 119370, 122484, 153105, 159160, 162840, 204140, 234761, 238740, 244968, 306210, 408280, 469522, 477480, 612420, 704283, 939044, 1173805, 1224840, 1408566, 1878088, 2347610, 2817132, 3521415, 4695220, 5634264, 7042830, 9390440, 14085660, 28171320]

約数ペア:

[(1, 28171320), (2, 14085660), (3, 9390440), (4, 7042830), (5, 5634264), (6, 4695220), (8, 3521415), (10, 2817132), (12, 2347610), (15, 1878088), (20, 1408566), (23, 1224840), (24, 1173805), (30, 939044), (40, 704283), (46, 612420), (59, 477480), (60, 469522), (69, 408280), (92, 306210), (115, 244968), (118, 238740), (120, 234761), (138, 204140), (173, 162840), (177, 159160), (184, 153105), (230, 122484), (236, 119370), (276, 102070), (295, 95496), (345, 81656), (346, 81420), (354, 79580), (460, 61242), (472, 59685), (519, 54280), (552, 51035), (590, 47748), (690, 40828), (692, 40710), (708, 39790), (865, 32568), (885, 31832), (920, 30621), (1038, 27140), (1180, 23874), (1357, 20760), (1380, 20414), (1384, 20355), (1416, 19895), (1730, 16284), (1770, 15916), (2076, 13570), (2360, 11937), (2595, 10856), (2714, 10380), (2760, 10207), (3460, 8142), (3540, 7958), (3979, 7080), (4071, 6920), (4152, 6785), (5190, 5428)]