66485120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 175301280

約数和(自身を除く): 108816160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 131, 160, 208, 244, 260, 262, 305, 320, 416, 488, 520, 524, 610, 640, 655, 793, 832, 976, 1040, 1048, 1220, 1310, 1586, 1664, 1703, 1952, 2080, 2096, 2440, 2620, 3172, 3406, 3904, 3965, 4160, 4192, 4880, 5240, 6344, 6812, 7808, 7930, 7991, 8320, 8384, 8515, 9760, 10480, 12688, 13624, 15860, 15982, 16768, 17030, 19520, 20960, 25376, 27248, 31720, 31964, 34060, 39040, 39955, 41920, 50752, 54496, 63440, 63928, 68120, 79910, 83840, 101504, 103883, 108992, 126880, 127856, 136240, 159820, 207766, 217984, 253760, 255712, 272480, 319640, 415532, 507520, 511424, 519415, 544960, 639280, 831064, 1022848, 1038830, 1089920, 1278560, 1662128, 2077660, 2557120, 3324256, 4155320, 5114240, 6648512, 8310640, 13297024, 16621280, 33242560, 66485120]

約数ペア:

[(1, 66485120), (2, 33242560), (4, 16621280), (5, 13297024), (8, 8310640), (10, 6648512), (13, 5114240), (16, 4155320), (20, 3324256), (26, 2557120), (32, 2077660), (40, 1662128), (52, 1278560), (61, 1089920), (64, 1038830), (65, 1022848), (80, 831064), (104, 639280), (122, 544960), (128, 519415), (130, 511424), (131, 507520), (160, 415532), (208, 319640), (244, 272480), (260, 255712), (262, 253760), (305, 217984), (320, 207766), (416, 159820), (488, 136240), (520, 127856), (524, 126880), (610, 108992), (640, 103883), (655, 101504), (793, 83840), (832, 79910), (976, 68120), (1040, 63928), (1048, 63440), (1220, 54496), (1310, 50752), (1586, 41920), (1664, 39955), (1703, 39040), (1952, 34060), (2080, 31964), (2096, 31720), (2440, 27248), (2620, 25376), (3172, 20960), (3406, 19520), (3904, 17030), (3965, 16768), (4160, 15982), (4192, 15860), (4880, 13624), (5240, 12688), (6344, 10480), (6812, 9760), (7808, 8515), (7930, 8384), (7991, 8320)]