66745280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:466

約数の個数: 112

約数和(自身を含む): 184343040

約数和(自身を除く): 117597760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 140, 160, 166, 224, 280, 320, 332, 359, 415, 448, 560, 581, 664, 718, 830, 1120, 1162, 1328, 1436, 1660, 1795, 2240, 2324, 2513, 2656, 2872, 2905, 3320, 3590, 4648, 5026, 5312, 5744, 5810, 6640, 7180, 9296, 10052, 11488, 11620, 12565, 13280, 14360, 18592, 20104, 22976, 23240, 25130, 26560, 28720, 29797, 37184, 40208, 46480, 50260, 57440, 59594, 80416, 92960, 100520, 114880, 119188, 148985, 160832, 185920, 201040, 208579, 238376, 297970, 402080, 417158, 476752, 595940, 804160, 834316, 953504, 1042895, 1191880, 1668632, 1907008, 2085790, 2383760, 3337264, 4171580, 4767520, 6674528, 8343160, 9535040, 13349056, 16686320, 33372640, 66745280]

約数ペア:

[(1, 66745280), (2, 33372640), (4, 16686320), (5, 13349056), (7, 9535040), (8, 8343160), (10, 6674528), (14, 4767520), (16, 4171580), (20, 3337264), (28, 2383760), (32, 2085790), (35, 1907008), (40, 1668632), (56, 1191880), (64, 1042895), (70, 953504), (80, 834316), (83, 804160), (112, 595940), (140, 476752), (160, 417158), (166, 402080), (224, 297970), (280, 238376), (320, 208579), (332, 201040), (359, 185920), (415, 160832), (448, 148985), (560, 119188), (581, 114880), (664, 100520), (718, 92960), (830, 80416), (1120, 59594), (1162, 57440), (1328, 50260), (1436, 46480), (1660, 40208), (1795, 37184), (2240, 29797), (2324, 28720), (2513, 26560), (2656, 25130), (2872, 23240), (2905, 22976), (3320, 20104), (3590, 18592), (4648, 14360), (5026, 13280), (5312, 12565), (5744, 11620), (5810, 11488), (6640, 10052), (7180, 9296)]