71308680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 128

約数和(自身を含む): 228787200

約数和(自身を除く): 157478520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 435, 465, 580, 620, 661, 696, 744, 870, 899, 930, 1160, 1240, 1322, 1740, 1798, 1860, 1983, 2644, 2697, 3305, 3480, 3596, 3720, 3966, 4495, 5288, 5394, 6610, 7192, 7932, 8990, 9915, 10788, 13220, 13485, 15864, 17980, 19169, 19830, 20491, 21576, 26440, 26970, 35960, 38338, 39660, 40982, 53940, 57507, 61473, 76676, 79320, 81964, 95845, 102455, 107880, 115014, 122946, 153352, 163928, 191690, 204910, 230028, 245892, 287535, 307365, 383380, 409820, 460056, 491784, 575070, 594239, 614730, 766760, 819640, 1150140, 1188478, 1229460, 1782717, 2300280, 2376956, 2458920, 2971195, 3565434, 4753912, 5942390, 7130868, 8913585, 11884780, 14261736, 17827170, 23769560, 35654340, 71308680]

約数ペア:

[(1, 71308680), (2, 35654340), (3, 23769560), (4, 17827170), (5, 14261736), (6, 11884780), (8, 8913585), (10, 7130868), (12, 5942390), (15, 4753912), (20, 3565434), (24, 2971195), (29, 2458920), (30, 2376956), (31, 2300280), (40, 1782717), (58, 1229460), (60, 1188478), (62, 1150140), (87, 819640), (93, 766760), (116, 614730), (120, 594239), (124, 575070), (145, 491784), (155, 460056), (174, 409820), (186, 383380), (232, 307365), (248, 287535), (290, 245892), (310, 230028), (348, 204910), (372, 191690), (435, 163928), (465, 153352), (580, 122946), (620, 115014), (661, 107880), (696, 102455), (744, 95845), (870, 81964), (899, 79320), (930, 76676), (1160, 61473), (1240, 57507), (1322, 53940), (1740, 40982), (1798, 39660), (1860, 38338), (1983, 35960), (2644, 26970), (2697, 26440), (3305, 21576), (3480, 20491), (3596, 19830), (3720, 19169), (3966, 17980), (4495, 15864), (5288, 13485), (5394, 13220), (6610, 10788), (7192, 9915), (7932, 8990)]