127578640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7349}}^1$

素因数の和:7400

約数の個数: 80

約数和(自身を含む): 349977600

約数和(自身を除く): 222398960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 7349, 8680, 14698, 17360, 29396, 36745, 51443, 58792, 73490, 102886, 117584, 146980, 205772, 227819, 257215, 293960, 411544, 455638, 514430, 587920, 823088, 911276, 1028860, 1139095, 1594733, 1822552, 2057720, 2278190, 3189466, 3645104, 4115440, 4556380, 6378932, 7973665, 9112760, 12757864, 15947330, 18225520, 25515728, 31894660, 63789320, 127578640]

約数ペア:

[(1, 127578640), (2, 63789320), (4, 31894660), (5, 25515728), (7, 18225520), (8, 15947330), (10, 12757864), (14, 9112760), (16, 7973665), (20, 6378932), (28, 4556380), (31, 4115440), (35, 3645104), (40, 3189466), (56, 2278190), (62, 2057720), (70, 1822552), (80, 1594733), (112, 1139095), (124, 1028860), (140, 911276), (155, 823088), (217, 587920), (248, 514430), (280, 455638), (310, 411544), (434, 293960), (496, 257215), (560, 227819), (620, 205772), (868, 146980), (1085, 117584), (1240, 102886), (1736, 73490), (2170, 58792), (2480, 51443), (3472, 36745), (4340, 29396), (7349, 17360), (8680, 14698)]