31444140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 109202688

約数和(自身を除く): 77758548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 443, 455, 507, 546, 676, 780, 845, 886, 910, 1014, 1092, 1183, 1329, 1365, 1690, 1772, 1820, 2028, 2215, 2366, 2535, 2658, 2730, 3101, 3380, 3549, 4430, 4732, 5070, 5316, 5460, 5759, 5915, 6202, 6645, 7098, 8860, 9303, 10140, 11518, 11830, 12404, 13290, 14196, 15505, 17277, 17745, 18606, 23036, 23660, 26580, 28795, 31010, 34554, 35490, 37212, 40313, 46515, 57590, 62020, 69108, 70980, 74867, 80626, 86385, 93030, 115180, 120939, 149734, 161252, 172770, 186060, 201565, 224601, 241878, 299468, 345540, 374335, 403130, 449202, 483756, 524069, 604695, 748670, 806260, 898404, 1048138, 1123005, 1209390, 1497340, 1572207, 2096276, 2246010, 2418780, 2620345, 3144414, 4492020, 5240690, 6288828, 7861035, 10481380, 15722070, 31444140]

約数ペア:

[(1, 31444140), (2, 15722070), (3, 10481380), (4, 7861035), (5, 6288828), (6, 5240690), (7, 4492020), (10, 3144414), (12, 2620345), (13, 2418780), (14, 2246010), (15, 2096276), (20, 1572207), (21, 1497340), (26, 1209390), (28, 1123005), (30, 1048138), (35, 898404), (39, 806260), (42, 748670), (52, 604695), (60, 524069), (65, 483756), (70, 449202), (78, 403130), (84, 374335), (91, 345540), (105, 299468), (130, 241878), (140, 224601), (156, 201565), (169, 186060), (182, 172770), (195, 161252), (210, 149734), (260, 120939), (273, 115180), (338, 93030), (364, 86385), (390, 80626), (420, 74867), (443, 70980), (455, 69108), (507, 62020), (546, 57590), (676, 46515), (780, 40313), (845, 37212), (886, 35490), (910, 34554), (1014, 31010), (1092, 28795), (1183, 26580), (1329, 23660), (1365, 23036), (1690, 18606), (1772, 17745), (1820, 17277), (2028, 15505), (2215, 14196), (2366, 13290), (2535, 12404), (2658, 11830), (2730, 11518), (3101, 10140), (3380, 9303), (3549, 8860), (4430, 7098), (4732, 6645), (5070, 6202), (5316, 5915), (5460, 5759)]