154643440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1019}}^1$

素因数の和:1310

約数の個数: 80

約数和(自身を含む): 412830720

約数和(自身を除く): 258187280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 542, 560, 1019, 1084, 1355, 1897, 2038, 2168, 2710, 3794, 4076, 4336, 5095, 5420, 7133, 7588, 8152, 9485, 10190, 10840, 14266, 15176, 16304, 18970, 20380, 21680, 28532, 30352, 35665, 37940, 40760, 57064, 71330, 75880, 81520, 114128, 142660, 151760, 276149, 285320, 552298, 570640, 1104596, 1380745, 1933043, 2209192, 2761490, 3866086, 4418384, 5522980, 7732172, 9665215, 11045960, 15464344, 19330430, 22091920, 30928688, 38660860, 77321720, 154643440]

約数ペア:

[(1, 154643440), (2, 77321720), (4, 38660860), (5, 30928688), (7, 22091920), (8, 19330430), (10, 15464344), (14, 11045960), (16, 9665215), (20, 7732172), (28, 5522980), (35, 4418384), (40, 3866086), (56, 2761490), (70, 2209192), (80, 1933043), (112, 1380745), (140, 1104596), (271, 570640), (280, 552298), (542, 285320), (560, 276149), (1019, 151760), (1084, 142660), (1355, 114128), (1897, 81520), (2038, 75880), (2168, 71330), (2710, 57064), (3794, 40760), (4076, 37940), (4336, 35665), (5095, 30352), (5420, 28532), (7133, 21680), (7588, 20380), (8152, 18970), (9485, 16304), (10190, 15176), (10840, 14266)]