187749240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{563}}^1$

素因数の和:981

約数の個数: 128

約数和(自身を含む): 646479360

約数和(自身を除く): 458730120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 397, 420, 563, 794, 840, 1126, 1191, 1588, 1689, 1985, 2252, 2382, 2779, 2815, 3176, 3378, 3941, 3970, 4504, 4764, 5558, 5630, 5955, 6756, 7882, 7940, 8337, 8445, 9528, 11116, 11260, 11823, 11910, 13512, 13895, 15764, 15880, 16674, 16890, 19705, 22232, 22520, 23646, 23820, 27790, 31528, 33348, 33780, 39410, 41685, 47292, 47640, 55580, 59115, 66696, 67560, 78820, 83370, 94584, 111160, 118230, 157640, 166740, 223511, 236460, 333480, 447022, 472920, 670533, 894044, 1117555, 1341066, 1564577, 1788088, 2235110, 2682132, 3129154, 3352665, 4470220, 4693731, 5364264, 6258308, 6705330, 7822885, 8940440, 9387462, 12516616, 13410660, 15645770, 18774924, 23468655, 26821320, 31291540, 37549848, 46937310, 62583080, 93874620, 187749240]

約数ペア:

[(1, 187749240), (2, 93874620), (3, 62583080), (4, 46937310), (5, 37549848), (6, 31291540), (7, 26821320), (8, 23468655), (10, 18774924), (12, 15645770), (14, 13410660), (15, 12516616), (20, 9387462), (21, 8940440), (24, 7822885), (28, 6705330), (30, 6258308), (35, 5364264), (40, 4693731), (42, 4470220), (56, 3352665), (60, 3129154), (70, 2682132), (84, 2235110), (105, 1788088), (120, 1564577), (140, 1341066), (168, 1117555), (210, 894044), (280, 670533), (397, 472920), (420, 447022), (563, 333480), (794, 236460), (840, 223511), (1126, 166740), (1191, 157640), (1588, 118230), (1689, 111160), (1985, 94584), (2252, 83370), (2382, 78820), (2779, 67560), (2815, 66696), (3176, 59115), (3378, 55580), (3941, 47640), (3970, 47292), (4504, 41685), (4764, 39410), (5558, 33780), (5630, 33348), (5955, 31528), (6756, 27790), (7882, 23820), (7940, 23646), (8337, 22520), (8445, 22232), (9528, 19705), (11116, 16890), (11260, 16674), (11823, 15880), (11910, 15764), (13512, 13895)]