28448785280

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{1607}}^1$

素因数の和:1964

約数の個数: 128

約数和(自身を含む): 68886720000

約数和(自身を除く): 40437934720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 199, 278, 320, 398, 556, 640, 695, 796, 995, 1112, 1390, 1592, 1607, 1990, 2224, 2780, 3184, 3214, 3980, 4448, 5560, 6368, 6428, 7960, 8035, 8896, 11120, 12736, 12856, 15920, 16070, 17792, 22240, 25472, 25712, 27661, 31840, 32140, 44480, 51424, 55322, 63680, 64280, 88960, 102848, 110644, 127360, 128560, 138305, 205696, 221288, 223373, 257120, 276610, 319793, 442576, 446746, 514240, 553220, 639586, 885152, 893492, 1028480, 1106440, 1116865, 1279172, 1598965, 1770304, 1786984, 2212880, 2233730, 2558344, 3197930, 3540608, 3573968, 4425760, 4467460, 5116688, 6395860, 7147936, 8851520, 8934920, 10233376, 12791720, 14295872, 17703040, 17869840, 20466752, 25583440, 28591744, 35739680, 40933504, 44451227, 51166880, 71479360, 88902454, 102333760, 142958720, 177804908, 204667520, 222256135, 355609816, 444512270, 711219632, 889024540, 1422439264, 1778049080, 2844878528, 3556098160, 5689757056, 7112196320, 14224392640, 28448785280]

約数ペア:

[(1, 28448785280), (2, 14224392640), (4, 7112196320), (5, 5689757056), (8, 3556098160), (10, 2844878528), (16, 1778049080), (20, 1422439264), (32, 889024540), (40, 711219632), (64, 444512270), (80, 355609816), (128, 222256135), (139, 204667520), (160, 177804908), (199, 142958720), (278, 102333760), (320, 88902454), (398, 71479360), (556, 51166880), (640, 44451227), (695, 40933504), (796, 35739680), (995, 28591744), (1112, 25583440), (1390, 20466752), (1592, 17869840), (1607, 17703040), (1990, 14295872), (2224, 12791720), (2780, 10233376), (3184, 8934920), (3214, 8851520), (3980, 7147936), (4448, 6395860), (5560, 5116688), (6368, 4467460), (6428, 4425760), (7960, 3573968), (8035, 3540608), (8896, 3197930), (11120, 2558344), (12736, 2233730), (12856, 2212880), (15920, 1786984), (16070, 1770304), (17792, 1598965), (22240, 1279172), (25472, 1116865), (25712, 1106440), (27661, 1028480), (31840, 893492), (32140, 885152), (44480, 639586), (51424, 553220), (55322, 514240), (63680, 446746), (64280, 442576), (88960, 319793), (102848, 276610), (110644, 257120), (127360, 223373), (128560, 221288), (138305, 205696)]