2639017120

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{743}}^1$

素因数の和:1118

約数の個数: 96

約数和(自身を含む): 6344593920

約数和(自身を除く): 3705576800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 281, 316, 395, 562, 632, 743, 790, 1124, 1264, 1405, 1486, 1580, 2248, 2528, 2810, 2972, 3160, 3715, 4496, 5620, 5944, 6320, 7430, 8992, 11240, 11888, 12640, 14860, 22199, 22480, 23776, 29720, 44398, 44960, 58697, 59440, 88796, 110995, 117394, 118880, 177592, 208783, 221990, 234788, 293485, 355184, 417566, 443980, 469576, 586970, 710368, 835132, 887960, 939152, 1043915, 1173940, 1670264, 1775920, 1878304, 2087830, 2347880, 3340528, 3551840, 4175660, 4695760, 6681056, 8351320, 9391520, 16493857, 16702640, 32987714, 33405280, 65975428, 82469285, 131950856, 164938570, 263901712, 329877140, 527803424, 659754280, 1319508560, 2639017120]

約数ペア:

[(1, 2639017120), (2, 1319508560), (4, 659754280), (5, 527803424), (8, 329877140), (10, 263901712), (16, 164938570), (20, 131950856), (32, 82469285), (40, 65975428), (79, 33405280), (80, 32987714), (158, 16702640), (160, 16493857), (281, 9391520), (316, 8351320), (395, 6681056), (562, 4695760), (632, 4175660), (743, 3551840), (790, 3340528), (1124, 2347880), (1264, 2087830), (1405, 1878304), (1486, 1775920), (1580, 1670264), (2248, 1173940), (2528, 1043915), (2810, 939152), (2972, 887960), (3160, 835132), (3715, 710368), (4496, 586970), (5620, 469576), (5944, 443980), (6320, 417566), (7430, 355184), (8992, 293485), (11240, 234788), (11888, 221990), (12640, 208783), (14860, 177592), (22199, 118880), (22480, 117394), (23776, 110995), (29720, 88796), (44398, 59440), (44960, 58697)]