1621061120

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{12923}}^1$

素因数の和:12960

約数の個数: 120

約数和(自身を含む): 4521668184

約数和(自身を除く): 2900607064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 6272, 7840, 8960, 12544, 12923, 15680, 17920, 25088, 25846, 31360, 51692, 62720, 64615, 90461, 103384, 125440, 129230, 180922, 206768, 258460, 361844, 413536, 452305, 516920, 633227, 723688, 827072, 904610, 1033840, 1266454, 1447376, 1654144, 1809220, 2067680, 2532908, 2894752, 3166135, 3308288, 3618440, 4135360, 5065816, 5789504, 6332270, 6616576, 7236880, 8270720, 10131632, 11579008, 12664540, 14473760, 16541440, 20263264, 23158016, 25329080, 28947520, 33082880, 40526528, 46316032, 50658160, 57895040, 81053056, 101316320, 115790080, 162106112, 202632640, 231580160, 324212224, 405265280, 810530560, 1621061120]

約数ペア:

[(1, 1621061120), (2, 810530560), (4, 405265280), (5, 324212224), (7, 231580160), (8, 202632640), (10, 162106112), (14, 115790080), (16, 101316320), (20, 81053056), (28, 57895040), (32, 50658160), (35, 46316032), (40, 40526528), (49, 33082880), (56, 28947520), (64, 25329080), (70, 23158016), (80, 20263264), (98, 16541440), (112, 14473760), (128, 12664540), (140, 11579008), (160, 10131632), (196, 8270720), (224, 7236880), (245, 6616576), (256, 6332270), (280, 5789504), (320, 5065816), (392, 4135360), (448, 3618440), (490, 3308288), (512, 3166135), (560, 2894752), (640, 2532908), (784, 2067680), (896, 1809220), (980, 1654144), (1120, 1447376), (1280, 1266454), (1568, 1033840), (1792, 904610), (1960, 827072), (2240, 723688), (2560, 633227), (3136, 516920), (3584, 452305), (3920, 413536), (4480, 361844), (6272, 258460), (7840, 206768), (8960, 180922), (12544, 129230), (12923, 125440), (15680, 103384), (17920, 90461), (25088, 64615), (25846, 62720), (31360, 51692)]