640340141280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{5009}}^1\times {\mathrm{38047}}^1$

素因数の和:43081

約数の個数: 192

約数和(自身を含む): 2305745326080

約数和(自身を除く): 1665405184800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 5009, 10018, 15027, 20036, 25045, 30054, 35063, 38047, 40072, 50090, 60108, 70126, 75135, 76094, 80144, 100180, 105189, 114141, 120216, 140252, 150270, 152188, 160288, 175315, 190235, 200360, 210378, 228282, 240432, 266329, 280504, 300540, 304376, 350630, 380470, 400720, 420756, 456564, 480864, 525945, 532658, 561008, 570705, 601080, 608752, 701260, 760940, 798987, 801440, 841512, 913128, 1051890, 1065316, 1122016, 1141410, 1202160, 1217504, 1331645, 1402520, 1521880, 1597974, 1683024, 1826256, 2103780, 2130632, 2282820, 2404320, 2663290, 2805040, 3043760, 3195948, 3366048, 3652512, 3994935, 4207560, 4261264, 4565640, 5326580, 5610080, 6087520, 6391896, 7989870, 8415120, 8522528, 9131280, 10653160, 12783792, 15979740, 16830240, 18262560, 21306320, 25567584, 31959480, 42612640, 63918960, 127837920, 190577423, 381154846, 571732269, 762309692, 952887115, 1143464538, 1334041961, 1524619384, 1905774230, 2286929076, 2668083922, 2858661345, 3049238768, 3811548460, 4002125883, 4573858152, 5336167844, 5717322690, 6098477536, 6670209805, 7623096920, 8004251766, 9147716304, 10672335688, 11434645380, 13340419610, 15246193840, 16008503532, 18295432608, 20010629415, 21344671376, 22869290760, 26680839220, 30492387680, 32017007064, 40021258830, 42689342752, 45738581520, 53361678440, 64034014128, 80042517660, 91477163040, 106723356880, 128068028256, 160085035320, 213446713760, 320170070640, 640340141280]

約数ペア:

[(1, 640340141280), (2, 320170070640), (3, 213446713760), (4, 160085035320), (5, 128068028256), (6, 106723356880), (7, 91477163040), (8, 80042517660), (10, 64034014128), (12, 53361678440), (14, 45738581520), (15, 42689342752), (16, 40021258830), (20, 32017007064), (21, 30492387680), (24, 26680839220), (28, 22869290760), (30, 21344671376), (32, 20010629415), (35, 18295432608), (40, 16008503532), (42, 15246193840), (48, 13340419610), (56, 11434645380), (60, 10672335688), (70, 9147716304), (80, 8004251766), (84, 7623096920), (96, 6670209805), (105, 6098477536), (112, 5717322690), (120, 5336167844), (140, 4573858152), (160, 4002125883), (168, 3811548460), (210, 3049238768), (224, 2858661345), (240, 2668083922), (280, 2286929076), (336, 1905774230), (420, 1524619384), (480, 1334041961), (560, 1143464538), (672, 952887115), (840, 762309692), (1120, 571732269), (1680, 381154846), (3360, 190577423), (5009, 127837920), (10018, 63918960), (15027, 42612640), (20036, 31959480), (25045, 25567584), (30054, 21306320), (35063, 18262560), (38047, 16830240), (40072, 15979740), (50090, 12783792), (60108, 10653160), (70126, 9131280), (75135, 8522528), (76094, 8415120), (80144, 7989870), (100180, 6391896), (105189, 6087520), (114141, 5610080), (120216, 5326580), (140252, 4565640), (150270, 4261264), (152188, 4207560), (160288, 3994935), (175315, 3652512), (190235, 3366048), (200360, 3195948), (210378, 3043760), (228282, 2805040), (240432, 2663290), (266329, 2404320), (280504, 2282820), (300540, 2130632), (304376, 2103780), (350630, 1826256), (380470, 1683024), (400720, 1597974), (420756, 1521880), (456564, 1402520), (480864, 1331645), (525945, 1217504), (532658, 1202160), (561008, 1141410), (570705, 1122016), (601080, 1065316), (608752, 1051890), (701260, 913128), (760940, 841512), (798987, 801440)]