81065340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 269982720

約数和(自身を除く): 188917380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 61, 69, 90, 92, 107, 108, 115, 122, 135, 138, 180, 183, 207, 214, 230, 244, 270, 276, 305, 321, 345, 366, 414, 428, 460, 535, 540, 549, 610, 621, 642, 690, 732, 828, 915, 963, 1035, 1070, 1098, 1220, 1242, 1284, 1380, 1403, 1605, 1647, 1830, 1926, 2070, 2140, 2196, 2461, 2484, 2745, 2806, 2889, 3105, 3210, 3294, 3660, 3852, 4140, 4209, 4815, 4922, 5490, 5612, 5778, 6210, 6420, 6527, 6588, 7015, 7383, 8235, 8418, 9630, 9844, 10980, 11556, 12305, 12420, 12627, 13054, 14030, 14445, 14766, 16470, 16836, 19260, 19581, 21045, 22149, 24610, 25254, 26108, 28060, 28890, 29532, 32635, 32940, 36915, 37881, 39162, 42090, 44298, 49220, 50508, 57780, 58743, 63135, 65270, 66447, 73830, 75762, 78324, 84180, 88596, 97905, 110745, 117486, 126270, 130540, 132894, 147660, 150121, 151524, 176229, 189405, 195810, 221490, 234972, 252540, 265788, 293715, 300242, 332235, 352458, 378810, 391620, 442980, 450363, 587430, 600484, 664470, 704916, 750605, 757620, 881145, 900726, 1174860, 1328940, 1351089, 1501210, 1762290, 1801452, 2251815, 2702178, 3002420, 3524580, 4053267, 4503630, 5404356, 6755445, 8106534, 9007260, 13510890, 16213068, 20266335, 27021780, 40532670, 81065340]

約数ペア:

[(1, 81065340), (2, 40532670), (3, 27021780), (4, 20266335), (5, 16213068), (6, 13510890), (9, 9007260), (10, 8106534), (12, 6755445), (15, 5404356), (18, 4503630), (20, 4053267), (23, 3524580), (27, 3002420), (30, 2702178), (36, 2251815), (45, 1801452), (46, 1762290), (54, 1501210), (60, 1351089), (61, 1328940), (69, 1174860), (90, 900726), (92, 881145), (107, 757620), (108, 750605), (115, 704916), (122, 664470), (135, 600484), (138, 587430), (180, 450363), (183, 442980), (207, 391620), (214, 378810), (230, 352458), (244, 332235), (270, 300242), (276, 293715), (305, 265788), (321, 252540), (345, 234972), (366, 221490), (414, 195810), (428, 189405), (460, 176229), (535, 151524), (540, 150121), (549, 147660), (610, 132894), (621, 130540), (642, 126270), (690, 117486), (732, 110745), (828, 97905), (915, 88596), (963, 84180), (1035, 78324), (1070, 75762), (1098, 73830), (1220, 66447), (1242, 65270), (1284, 63135), (1380, 58743), (1403, 57780), (1605, 50508), (1647, 49220), (1830, 44298), (1926, 42090), (2070, 39162), (2140, 37881), (2196, 36915), (2461, 32940), (2484, 32635), (2745, 29532), (2806, 28890), (2889, 28060), (3105, 26108), (3210, 25254), (3294, 24610), (3660, 22149), (3852, 21045), (4140, 19581), (4209, 19260), (4815, 16836), (4922, 16470), (5490, 14766), (5612, 14445), (5778, 14030), (6210, 13054), (6420, 12627), (6527, 12420), (6588, 12305), (7015, 11556), (7383, 10980), (8235, 9844), (8418, 9630)]