78655360

素因数分解:

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

素因数の和:304

約数の個数: 128

約数和(自身を含む): 218312640

約数和(自身を除く): 139657280

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, 280, 320, 362, 388, 448, 485, 560, 640, 679, 724, 776, 896, 905, 970, 1120, 1267, 1358, 1448, 1552, 1810, 1940, 2240, 2534, 2716, 2896, 3104, 3395, 3620, 3880, 4480, 5068, 5432, 5792, 6208, 6335, 6790, 7240, 7760, 10136, 10864, 11584, 12416, 12670, 13580, 14480, 15520, 17557, 20272, 21728, 23168, 25340, 27160, 28960, 31040, 35114, 40544, 43456, 50680, 54320, 57920, 62080, 70228, 81088, 86912, 87785, 101360, 108640, 115840, 122899, 140456, 162176, 175570, 202720, 217280, 245798, 280912, 351140, 405440, 434560, 491596, 561824, 614495, 702280, 810880, 983192, 1123648, 1228990, 1404560, 1966384, 2247296, 2457980, 2809120, 3932768, 4915960, 5618240, 7865536, 9831920, 11236480, 15731072, 19663840, 39327680, 78655360]

約数ペア:

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