217609320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25541}}^1$

素因数の和:25626

約数の個数: 64

約数和(自身を含む): 662048640

約数和(自身を除く): 444439320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 25541, 51082, 76623, 102164, 127705, 153246, 204328, 255410, 306492, 383115, 510820, 612984, 766230, 1021640, 1532460, 1813411, 3064920, 3626822, 5440233, 7253644, 9067055, 10880466, 14507288, 18134110, 21760932, 27201165, 36268220, 43521864, 54402330, 72536440, 108804660, 217609320]

約数ペア:

[(1, 217609320), (2, 108804660), (3, 72536440), (4, 54402330), (5, 43521864), (6, 36268220), (8, 27201165), (10, 21760932), (12, 18134110), (15, 14507288), (20, 10880466), (24, 9067055), (30, 7253644), (40, 5440233), (60, 3626822), (71, 3064920), (120, 1813411), (142, 1532460), (213, 1021640), (284, 766230), (355, 612984), (426, 510820), (568, 383115), (710, 306492), (852, 255410), (1065, 204328), (1420, 153246), (1704, 127705), (2130, 102164), (2840, 76623), (4260, 51082), (8520, 25541)]