18013140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 60278400

約数和(自身を除く): 42265260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 229, 230, 276, 285, 342, 345, 380, 414, 437, 458, 460, 570, 684, 687, 690, 828, 855, 874, 916, 1035, 1140, 1145, 1311, 1374, 1380, 1710, 1748, 2061, 2070, 2185, 2290, 2622, 2748, 3420, 3435, 3933, 4122, 4140, 4351, 4370, 4580, 5244, 5267, 6555, 6870, 7866, 8244, 8702, 8740, 10305, 10534, 13053, 13110, 13740, 15732, 15801, 17404, 19665, 20610, 21068, 21755, 26106, 26220, 26335, 31602, 39159, 39330, 41220, 43510, 47403, 52212, 52670, 63204, 65265, 78318, 78660, 79005, 87020, 94806, 100073, 105340, 130530, 156636, 158010, 189612, 195795, 200146, 237015, 261060, 300219, 316020, 391590, 400292, 474030, 500365, 600438, 783180, 900657, 948060, 1000730, 1200876, 1501095, 1801314, 2001460, 3002190, 3602628, 4503285, 6004380, 9006570, 18013140]

約数ペア:

[(1, 18013140), (2, 9006570), (3, 6004380), (4, 4503285), (5, 3602628), (6, 3002190), (9, 2001460), (10, 1801314), (12, 1501095), (15, 1200876), (18, 1000730), (19, 948060), (20, 900657), (23, 783180), (30, 600438), (36, 500365), (38, 474030), (45, 400292), (46, 391590), (57, 316020), (60, 300219), (69, 261060), (76, 237015), (90, 200146), (92, 195795), (95, 189612), (114, 158010), (115, 156636), (138, 130530), (171, 105340), (180, 100073), (190, 94806), (207, 87020), (228, 79005), (229, 78660), (230, 78318), (276, 65265), (285, 63204), (342, 52670), (345, 52212), (380, 47403), (414, 43510), (437, 41220), (458, 39330), (460, 39159), (570, 31602), (684, 26335), (687, 26220), (690, 26106), (828, 21755), (855, 21068), (874, 20610), (916, 19665), (1035, 17404), (1140, 15801), (1145, 15732), (1311, 13740), (1374, 13110), (1380, 13053), (1710, 10534), (1748, 10305), (2061, 8740), (2070, 8702), (2185, 8244), (2290, 7866), (2622, 6870), (2748, 6555), (3420, 5267), (3435, 5244), (3933, 4580), (4122, 4370), (4140, 4351)]