1728021840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{8009}}^1$

素因数の和:8085

約数の個数: 160

約数和(自身を含む): 5721062400

約数和(自身を除く): 3993040560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 31, 40, 48, 58, 60, 62, 80, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 240, 248, 290, 310, 348, 372, 435, 464, 465, 496, 580, 620, 696, 744, 870, 899, 930, 1160, 1240, 1392, 1488, 1740, 1798, 1860, 2320, 2480, 2697, 3480, 3596, 3720, 4495, 5394, 6960, 7192, 7440, 8009, 8990, 10788, 13485, 14384, 16018, 17980, 21576, 24027, 26970, 32036, 35960, 40045, 43152, 48054, 53940, 64072, 71920, 80090, 96108, 107880, 120135, 128144, 160180, 192216, 215760, 232261, 240270, 248279, 320360, 384432, 464522, 480540, 496558, 640720, 696783, 744837, 929044, 961080, 993116, 1161305, 1241395, 1393566, 1489674, 1858088, 1922160, 1986232, 2322610, 2482790, 2787132, 2979348, 3483915, 3716176, 3724185, 3972464, 4645220, 4965580, 5574264, 5958696, 6967830, 7200091, 7448370, 9290440, 9931160, 11148528, 11917392, 13935660, 14400182, 14896740, 18580880, 19862320, 21600273, 27871320, 28800364, 29793480, 36000455, 43200546, 55742640, 57600728, 59586960, 72000910, 86401092, 108001365, 115201456, 144001820, 172802184, 216002730, 288003640, 345604368, 432005460, 576007280, 864010920, 1728021840]

約数ペア:

[(1, 1728021840), (2, 864010920), (3, 576007280), (4, 432005460), (5, 345604368), (6, 288003640), (8, 216002730), (10, 172802184), (12, 144001820), (15, 115201456), (16, 108001365), (20, 86401092), (24, 72000910), (29, 59586960), (30, 57600728), (31, 55742640), (40, 43200546), (48, 36000455), (58, 29793480), (60, 28800364), (62, 27871320), (80, 21600273), (87, 19862320), (93, 18580880), (116, 14896740), (120, 14400182), (124, 13935660), (145, 11917392), (155, 11148528), (174, 9931160), (186, 9290440), (232, 7448370), (240, 7200091), (248, 6967830), (290, 5958696), (310, 5574264), (348, 4965580), (372, 4645220), (435, 3972464), (464, 3724185), (465, 3716176), (496, 3483915), (580, 2979348), (620, 2787132), (696, 2482790), (744, 2322610), (870, 1986232), (899, 1922160), (930, 1858088), (1160, 1489674), (1240, 1393566), (1392, 1241395), (1488, 1161305), (1740, 993116), (1798, 961080), (1860, 929044), (2320, 744837), (2480, 696783), (2697, 640720), (3480, 496558), (3596, 480540), (3720, 464522), (4495, 384432), (5394, 320360), (6960, 248279), (7192, 240270), (7440, 232261), (8009, 215760), (8990, 192216), (10788, 160180), (13485, 128144), (14384, 120135), (16018, 107880), (17980, 96108), (21576, 80090), (24027, 71920), (26970, 64072), (32036, 53940), (35960, 48054), (40045, 43152)]