78620920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 139107080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 83, 85, 119, 136, 140, 166, 170, 199, 238, 280, 332, 340, 398, 415, 476, 581, 595, 664, 680, 796, 830, 952, 995, 1162, 1190, 1393, 1411, 1592, 1660, 1990, 2324, 2380, 2786, 2822, 2905, 3320, 3383, 3980, 4648, 4760, 5572, 5644, 5810, 6766, 6965, 7055, 7960, 9877, 11144, 11288, 11620, 13532, 13930, 14110, 16517, 16915, 19754, 23240, 23681, 27064, 27860, 28220, 33034, 33830, 39508, 47362, 49385, 55720, 56440, 66068, 67660, 79016, 82585, 94724, 98770, 115619, 118405, 132136, 135320, 165170, 189448, 197540, 231238, 236810, 280789, 330340, 395080, 462476, 473620, 561578, 578095, 660680, 924952, 947240, 1123156, 1156190, 1403945, 1965523, 2246312, 2312380, 2807890, 3931046, 4624760, 5615780, 7862092, 9827615, 11231560, 15724184, 19655230, 39310460, 78620920]

約数ペア:

[(1, 78620920), (2, 39310460), (4, 19655230), (5, 15724184), (7, 11231560), (8, 9827615), (10, 7862092), (14, 5615780), (17, 4624760), (20, 3931046), (28, 2807890), (34, 2312380), (35, 2246312), (40, 1965523), (56, 1403945), (68, 1156190), (70, 1123156), (83, 947240), (85, 924952), (119, 660680), (136, 578095), (140, 561578), (166, 473620), (170, 462476), (199, 395080), (238, 330340), (280, 280789), (332, 236810), (340, 231238), (398, 197540), (415, 189448), (476, 165170), (581, 135320), (595, 132136), (664, 118405), (680, 115619), (796, 98770), (830, 94724), (952, 82585), (995, 79016), (1162, 67660), (1190, 66068), (1393, 56440), (1411, 55720), (1592, 49385), (1660, 47362), (1990, 39508), (2324, 33830), (2380, 33034), (2786, 28220), (2822, 27860), (2905, 27064), (3320, 23681), (3383, 23240), (3980, 19754), (4648, 16915), (4760, 16517), (5572, 14110), (5644, 13930), (5810, 13532), (6766, 11620), (6965, 11288), (7055, 11144), (7960, 9877)]