78855140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1237

約数の個数: 96

約数和(自身を含む): 209497344

約数和(自身を除く): 130642204

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 259, 260, 364, 370, 455, 481, 518, 740, 910, 962, 1036, 1171, 1295, 1820, 1924, 2342, 2405, 2590, 3367, 4684, 4810, 5180, 5855, 6734, 8197, 9620, 11710, 13468, 15223, 16394, 16835, 23420, 30446, 32788, 33670, 40985, 43327, 60892, 67340, 76115, 81970, 86654, 106561, 152230, 163940, 173308, 213122, 216635, 303289, 304460, 426244, 433270, 532805, 563251, 606578, 866540, 1065610, 1126502, 1213156, 1516445, 2131220, 2253004, 2816255, 3032890, 3942757, 5632510, 6065780, 7885514, 11265020, 15771028, 19713785, 39427570, 78855140]

約数ペア:

[(1, 78855140), (2, 39427570), (4, 19713785), (5, 15771028), (7, 11265020), (10, 7885514), (13, 6065780), (14, 5632510), (20, 3942757), (26, 3032890), (28, 2816255), (35, 2253004), (37, 2131220), (52, 1516445), (65, 1213156), (70, 1126502), (74, 1065610), (91, 866540), (130, 606578), (140, 563251), (148, 532805), (182, 433270), (185, 426244), (259, 304460), (260, 303289), (364, 216635), (370, 213122), (455, 173308), (481, 163940), (518, 152230), (740, 106561), (910, 86654), (962, 81970), (1036, 76115), (1171, 67340), (1295, 60892), (1820, 43327), (1924, 40985), (2342, 33670), (2405, 32788), (2590, 30446), (3367, 23420), (4684, 16835), (4810, 16394), (5180, 15223), (5855, 13468), (6734, 11710), (8197, 9620)]