28277156960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:977

約数の個数: 192

約数和(自身を含む): 73064908224

約数和(自身を除く): 44787751264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 131, 157, 160, 208, 260, 262, 314, 416, 520, 524, 628, 655, 661, 785, 1040, 1048, 1256, 1310, 1322, 1570, 1703, 2041, 2080, 2096, 2512, 2620, 2644, 3140, 3305, 3406, 4082, 4192, 5024, 5240, 5288, 6280, 6610, 6812, 8164, 8515, 8593, 10205, 10480, 10576, 12560, 13220, 13624, 16328, 17030, 17186, 20410, 20567, 20960, 21152, 25120, 26440, 27248, 32656, 34060, 34372, 40820, 41134, 42965, 52880, 54496, 65312, 68120, 68744, 81640, 82268, 85930, 86591, 102835, 103777, 105760, 136240, 137488, 163280, 164536, 171860, 173182, 205670, 207554, 267371, 272480, 274976, 326560, 329072, 343720, 346364, 411340, 415108, 432955, 518885, 534742, 658144, 687440, 692728, 822680, 830216, 865910, 1037770, 1069484, 1125683, 1336855, 1349101, 1374880, 1385456, 1645360, 1660432, 1731820, 2075540, 2138968, 2251366, 2673710, 2698202, 2770912, 3290720, 3320864, 3463640, 4151080, 4277936, 4502732, 5347420, 5396404, 5628415, 6745505, 6927280, 8302160, 8555872, 9005464, 10694840, 10792808, 11256830, 13491010, 13594787, 13854560, 16604320, 18010928, 21389680, 21585616, 22513660, 26982020, 27189574, 36021856, 42779360, 43171232, 45027320, 53964040, 54379148, 67973935, 90054640, 107928080, 108758296, 135947870, 176732231, 180109280, 215856160, 217516592, 271895740, 353464462, 435033184, 543791480, 706928924, 883661155, 1087582960, 1413857848, 1767322310, 2175165920, 2827715696, 3534644620, 5655431392, 7069289240, 14138578480, 28277156960]

約数ペア:

[(1, 28277156960), (2, 14138578480), (4, 7069289240), (5, 5655431392), (8, 3534644620), (10, 2827715696), (13, 2175165920), (16, 1767322310), (20, 1413857848), (26, 1087582960), (32, 883661155), (40, 706928924), (52, 543791480), (65, 435033184), (80, 353464462), (104, 271895740), (130, 217516592), (131, 215856160), (157, 180109280), (160, 176732231), (208, 135947870), (260, 108758296), (262, 107928080), (314, 90054640), (416, 67973935), (520, 54379148), (524, 53964040), (628, 45027320), (655, 43171232), (661, 42779360), (785, 36021856), (1040, 27189574), (1048, 26982020), (1256, 22513660), (1310, 21585616), (1322, 21389680), (1570, 18010928), (1703, 16604320), (2041, 13854560), (2080, 13594787), (2096, 13491010), (2512, 11256830), (2620, 10792808), (2644, 10694840), (3140, 9005464), (3305, 8555872), (3406, 8302160), (4082, 6927280), (4192, 6745505), (5024, 5628415), (5240, 5396404), (5288, 5347420), (6280, 4502732), (6610, 4277936), (6812, 4151080), (8164, 3463640), (8515, 3320864), (8593, 3290720), (10205, 2770912), (10480, 2698202), (10576, 2673710), (12560, 2251366), (13220, 2138968), (13624, 2075540), (16328, 1731820), (17030, 1660432), (17186, 1645360), (20410, 1385456), (20567, 1374880), (20960, 1349101), (21152, 1336855), (25120, 1125683), (26440, 1069484), (27248, 1037770), (32656, 865910), (34060, 830216), (34372, 822680), (40820, 692728), (41134, 687440), (42965, 658144), (52880, 534742), (54496, 518885), (65312, 432955), (68120, 415108), (68744, 411340), (81640, 346364), (82268, 343720), (85930, 329072), (86591, 326560), (102835, 274976), (103777, 272480), (105760, 267371), (136240, 207554), (137488, 205670), (163280, 173182), (164536, 171860)]