61270820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 148646400

約数和(自身を除く): 87375580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 79, 95, 130, 157, 158, 190, 247, 260, 314, 316, 380, 395, 494, 628, 785, 790, 988, 1027, 1235, 1501, 1570, 1580, 2041, 2054, 2470, 2983, 3002, 3140, 4082, 4108, 4940, 5135, 5966, 6004, 7505, 8164, 10205, 10270, 11932, 12403, 14915, 15010, 19513, 20410, 20540, 24806, 29830, 30020, 38779, 39026, 40820, 49612, 59660, 62015, 77558, 78052, 97565, 124030, 155116, 161239, 193895, 195130, 235657, 248060, 322478, 387790, 390260, 471314, 644956, 775580, 806195, 942628, 1178285, 1612390, 2356570, 3063541, 3224780, 4713140, 6127082, 12254164, 15317705, 30635410, 61270820]

約数ペア:

[(1, 61270820), (2, 30635410), (4, 15317705), (5, 12254164), (10, 6127082), (13, 4713140), (19, 3224780), (20, 3063541), (26, 2356570), (38, 1612390), (52, 1178285), (65, 942628), (76, 806195), (79, 775580), (95, 644956), (130, 471314), (157, 390260), (158, 387790), (190, 322478), (247, 248060), (260, 235657), (314, 195130), (316, 193895), (380, 161239), (395, 155116), (494, 124030), (628, 97565), (785, 78052), (790, 77558), (988, 62015), (1027, 59660), (1235, 49612), (1501, 40820), (1570, 39026), (1580, 38779), (2041, 30020), (2054, 29830), (2470, 24806), (2983, 20540), (3002, 20410), (3140, 19513), (4082, 15010), (4108, 14915), (4940, 12403), (5135, 11932), (5966, 10270), (6004, 10205), (7505, 8164)]