138951680

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{3877}}^1$

素因数の和:3909

約数の個数: 88

約数和(自身を含む): 381036768

約数和(自身を除く): 242085088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 3877, 4480, 5120, 7168, 7754, 8960, 15508, 17920, 19385, 27139, 31016, 35840, 38770, 54278, 62032, 77540, 108556, 124064, 135695, 155080, 217112, 248128, 271390, 310160, 434224, 496256, 542780, 620320, 868448, 992512, 1085560, 1240640, 1736896, 1985024, 2171120, 2481280, 3473792, 3970048, 4342240, 4962560, 6947584, 8684480, 9925120, 13895168, 17368960, 19850240, 27790336, 34737920, 69475840, 138951680]

約数ペア:

[(1, 138951680), (2, 69475840), (4, 34737920), (5, 27790336), (7, 19850240), (8, 17368960), (10, 13895168), (14, 9925120), (16, 8684480), (20, 6947584), (28, 4962560), (32, 4342240), (35, 3970048), (40, 3473792), (56, 2481280), (64, 2171120), (70, 1985024), (80, 1736896), (112, 1240640), (128, 1085560), (140, 992512), (160, 868448), (224, 620320), (256, 542780), (280, 496256), (320, 434224), (448, 310160), (512, 271390), (560, 248128), (640, 217112), (896, 155080), (1024, 135695), (1120, 124064), (1280, 108556), (1792, 77540), (2240, 62032), (2560, 54278), (3584, 38770), (3877, 35840), (4480, 31016), (5120, 27139), (7168, 19385), (7754, 17920), (8960, 15508)]