212864520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1231}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 702535680

約数和(自身を除く): 489671160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 131, 132, 165, 220, 262, 264, 330, 393, 440, 524, 655, 660, 786, 1048, 1231, 1310, 1320, 1441, 1572, 1965, 2462, 2620, 2882, 3144, 3693, 3930, 4323, 4924, 5240, 5764, 6155, 7205, 7386, 7860, 8646, 9848, 11528, 12310, 13541, 14410, 14772, 15720, 17292, 18465, 21615, 24620, 27082, 28820, 29544, 34584, 36930, 40623, 43230, 49240, 54164, 57640, 67705, 73860, 81246, 86460, 108328, 135410, 147720, 161261, 162492, 172920, 203115, 270820, 322522, 324984, 406230, 483783, 541640, 645044, 806305, 812460, 967566, 1290088, 1612610, 1624920, 1773871, 1935132, 2418915, 3225220, 3547742, 3870264, 4837830, 5321613, 6450440, 7095484, 8869355, 9675660, 10643226, 14190968, 17738710, 19351320, 21286452, 26608065, 35477420, 42572904, 53216130, 70954840, 106432260, 212864520]

約数ペア:

[(1, 212864520), (2, 106432260), (3, 70954840), (4, 53216130), (5, 42572904), (6, 35477420), (8, 26608065), (10, 21286452), (11, 19351320), (12, 17738710), (15, 14190968), (20, 10643226), (22, 9675660), (24, 8869355), (30, 7095484), (33, 6450440), (40, 5321613), (44, 4837830), (55, 3870264), (60, 3547742), (66, 3225220), (88, 2418915), (110, 1935132), (120, 1773871), (131, 1624920), (132, 1612610), (165, 1290088), (220, 967566), (262, 812460), (264, 806305), (330, 645044), (393, 541640), (440, 483783), (524, 406230), (655, 324984), (660, 322522), (786, 270820), (1048, 203115), (1231, 172920), (1310, 162492), (1320, 161261), (1441, 147720), (1572, 135410), (1965, 108328), (2462, 86460), (2620, 81246), (2882, 73860), (3144, 67705), (3693, 57640), (3930, 54164), (4323, 49240), (4924, 43230), (5240, 40623), (5764, 36930), (6155, 34584), (7205, 29544), (7386, 28820), (7860, 27082), (8646, 24620), (9848, 21615), (11528, 18465), (12310, 17292), (13541, 15720), (14410, 14772)]