157310720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 437481408

約数和(自身を除く): 280170688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 140, 160, 181, 194, 224, 256, 280, 320, 362, 388, 448, 485, 560, 640, 679, 724, 776, 896, 905, 970, 1120, 1267, 1280, 1358, 1448, 1552, 1792, 1810, 1940, 2240, 2534, 2716, 2896, 3104, 3395, 3620, 3880, 4480, 5068, 5432, 5792, 6208, 6335, 6790, 7240, 7760, 8960, 10136, 10864, 11584, 12416, 12670, 13580, 14480, 15520, 17557, 20272, 21728, 23168, 24832, 25340, 27160, 28960, 31040, 35114, 40544, 43456, 46336, 50680, 54320, 57920, 62080, 70228, 81088, 86912, 87785, 101360, 108640, 115840, 122899, 124160, 140456, 162176, 173824, 175570, 202720, 217280, 231680, 245798, 280912, 324352, 351140, 405440, 434560, 491596, 561824, 614495, 702280, 810880, 869120, 983192, 1123648, 1228990, 1404560, 1621760, 1966384, 2247296, 2457980, 2809120, 3932768, 4494592, 4915960, 5618240, 7865536, 9831920, 11236480, 15731072, 19663840, 22472960, 31462144, 39327680, 78655360, 157310720]

約数ペア:

[(1, 157310720), (2, 78655360), (4, 39327680), (5, 31462144), (7, 22472960), (8, 19663840), (10, 15731072), (14, 11236480), (16, 9831920), (20, 7865536), (28, 5618240), (32, 4915960), (35, 4494592), (40, 3932768), (56, 2809120), (64, 2457980), (70, 2247296), (80, 1966384), (97, 1621760), (112, 1404560), (128, 1228990), (140, 1123648), (160, 983192), (181, 869120), (194, 810880), (224, 702280), (256, 614495), (280, 561824), (320, 491596), (362, 434560), (388, 405440), (448, 351140), (485, 324352), (560, 280912), (640, 245798), (679, 231680), (724, 217280), (776, 202720), (896, 175570), (905, 173824), (970, 162176), (1120, 140456), (1267, 124160), (1280, 122899), (1358, 115840), (1448, 108640), (1552, 101360), (1792, 87785), (1810, 86912), (1940, 81088), (2240, 70228), (2534, 62080), (2716, 57920), (2896, 54320), (3104, 50680), (3395, 46336), (3620, 43456), (3880, 40544), (4480, 35114), (5068, 31040), (5432, 28960), (5792, 27160), (6208, 25340), (6335, 24832), (6790, 23168), (7240, 21728), (7760, 20272), (8960, 17557), (10136, 15520), (10864, 14480), (11584, 13580), (12416, 12670)]