27828540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 90854400

約数和(自身を除く): 63025860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 103, 114, 158, 171, 180, 190, 206, 228, 237, 285, 309, 316, 342, 380, 395, 412, 474, 515, 570, 618, 684, 711, 790, 855, 927, 948, 1030, 1140, 1185, 1236, 1422, 1501, 1545, 1580, 1710, 1854, 1957, 2060, 2370, 2844, 3002, 3090, 3420, 3555, 3708, 3914, 4503, 4635, 4740, 5871, 6004, 6180, 7110, 7505, 7828, 8137, 9006, 9270, 9785, 11742, 13509, 14220, 15010, 16274, 17613, 18012, 18540, 19570, 22515, 23484, 24411, 27018, 29355, 30020, 32548, 35226, 39140, 40685, 45030, 48822, 54036, 58710, 67545, 70452, 73233, 81370, 88065, 90060, 97644, 117420, 122055, 135090, 146466, 154603, 162740, 176130, 244110, 270180, 292932, 309206, 352260, 366165, 463809, 488220, 618412, 732330, 773015, 927618, 1391427, 1464660, 1546030, 1855236, 2319045, 2782854, 3092060, 4638090, 5565708, 6957135, 9276180, 13914270, 27828540]

約数ペア:

[(1, 27828540), (2, 13914270), (3, 9276180), (4, 6957135), (5, 5565708), (6, 4638090), (9, 3092060), (10, 2782854), (12, 2319045), (15, 1855236), (18, 1546030), (19, 1464660), (20, 1391427), (30, 927618), (36, 773015), (38, 732330), (45, 618412), (57, 488220), (60, 463809), (76, 366165), (79, 352260), (90, 309206), (95, 292932), (103, 270180), (114, 244110), (158, 176130), (171, 162740), (180, 154603), (190, 146466), (206, 135090), (228, 122055), (237, 117420), (285, 97644), (309, 90060), (316, 88065), (342, 81370), (380, 73233), (395, 70452), (412, 67545), (474, 58710), (515, 54036), (570, 48822), (618, 45030), (684, 40685), (711, 39140), (790, 35226), (855, 32548), (927, 30020), (948, 29355), (1030, 27018), (1140, 24411), (1185, 23484), (1236, 22515), (1422, 19570), (1501, 18540), (1545, 18012), (1580, 17613), (1710, 16274), (1854, 15010), (1957, 14220), (2060, 13509), (2370, 11742), (2844, 9785), (3002, 9270), (3090, 9006), (3420, 8137), (3555, 7828), (3708, 7505), (3914, 7110), (4503, 6180), (4635, 6004), (4740, 5871)]