28789380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 92461824

約数和(自身を除く): 63672444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 47, 60, 82, 83, 90, 94, 123, 141, 164, 166, 180, 188, 205, 235, 246, 249, 282, 332, 369, 410, 415, 423, 470, 492, 498, 564, 615, 705, 738, 747, 820, 830, 846, 940, 996, 1230, 1245, 1410, 1476, 1494, 1660, 1692, 1845, 1927, 2115, 2460, 2490, 2820, 2988, 3403, 3690, 3735, 3854, 3901, 4230, 4980, 5781, 6806, 7380, 7470, 7708, 7802, 8460, 9635, 10209, 11562, 11703, 13612, 14940, 15604, 17015, 17343, 19270, 19505, 20418, 23124, 23406, 28905, 30627, 34030, 34686, 35109, 38540, 39010, 40836, 46812, 51045, 57810, 58515, 61254, 68060, 69372, 70218, 78020, 86715, 102090, 115620, 117030, 122508, 140436, 153135, 159941, 173430, 175545, 204180, 234060, 306270, 319882, 346860, 351090, 479823, 612540, 639764, 702180, 799705, 959646, 1439469, 1599410, 1919292, 2399115, 2878938, 3198820, 4798230, 5757876, 7197345, 9596460, 14394690, 28789380]

約数ペア:

[(1, 28789380), (2, 14394690), (3, 9596460), (4, 7197345), (5, 5757876), (6, 4798230), (9, 3198820), (10, 2878938), (12, 2399115), (15, 1919292), (18, 1599410), (20, 1439469), (30, 959646), (36, 799705), (41, 702180), (45, 639764), (47, 612540), (60, 479823), (82, 351090), (83, 346860), (90, 319882), (94, 306270), (123, 234060), (141, 204180), (164, 175545), (166, 173430), (180, 159941), (188, 153135), (205, 140436), (235, 122508), (246, 117030), (249, 115620), (282, 102090), (332, 86715), (369, 78020), (410, 70218), (415, 69372), (423, 68060), (470, 61254), (492, 58515), (498, 57810), (564, 51045), (615, 46812), (705, 40836), (738, 39010), (747, 38540), (820, 35109), (830, 34686), (846, 34030), (940, 30627), (996, 28905), (1230, 23406), (1245, 23124), (1410, 20418), (1476, 19505), (1494, 19270), (1660, 17343), (1692, 17015), (1845, 15604), (1927, 14940), (2115, 13612), (2460, 11703), (2490, 11562), (2820, 10209), (2988, 9635), (3403, 8460), (3690, 7802), (3735, 7708), (3854, 7470), (3901, 7380), (4230, 6806), (4980, 5781)]