25778340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 91728000

約数和(自身を除く): 65949660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 499, 574, 615, 630, 738, 820, 861, 998, 1148, 1230, 1260, 1435, 1476, 1497, 1722, 1845, 1996, 2460, 2495, 2583, 2870, 2994, 3444, 3493, 3690, 4305, 4491, 4990, 5166, 5740, 5988, 6986, 7380, 7485, 8610, 8982, 9980, 10332, 10479, 12915, 13972, 14970, 17220, 17465, 17964, 20459, 20958, 22455, 25830, 29940, 31437, 34930, 40918, 41916, 44910, 51660, 52395, 61377, 62874, 69860, 81836, 89820, 102295, 104790, 122754, 125748, 143213, 157185, 184131, 204590, 209580, 245508, 286426, 306885, 314370, 368262, 409180, 429639, 572852, 613770, 628740, 716065, 736524, 859278, 920655, 1227540, 1288917, 1432130, 1718556, 1841310, 2148195, 2577834, 2864260, 3682620, 4296390, 5155668, 6444585, 8592780, 12889170, 25778340]

約数ペア:

[(1, 25778340), (2, 12889170), (3, 8592780), (4, 6444585), (5, 5155668), (6, 4296390), (7, 3682620), (9, 2864260), (10, 2577834), (12, 2148195), (14, 1841310), (15, 1718556), (18, 1432130), (20, 1288917), (21, 1227540), (28, 920655), (30, 859278), (35, 736524), (36, 716065), (41, 628740), (42, 613770), (45, 572852), (60, 429639), (63, 409180), (70, 368262), (82, 314370), (84, 306885), (90, 286426), (105, 245508), (123, 209580), (126, 204590), (140, 184131), (164, 157185), (180, 143213), (205, 125748), (210, 122754), (246, 104790), (252, 102295), (287, 89820), (315, 81836), (369, 69860), (410, 62874), (420, 61377), (492, 52395), (499, 51660), (574, 44910), (615, 41916), (630, 40918), (738, 34930), (820, 31437), (861, 29940), (998, 25830), (1148, 22455), (1230, 20958), (1260, 20459), (1435, 17964), (1476, 17465), (1497, 17220), (1722, 14970), (1845, 13972), (1996, 12915), (2460, 10479), (2495, 10332), (2583, 9980), (2870, 8982), (2994, 8610), (3444, 7485), (3493, 7380), (3690, 6986), (4305, 5988), (4491, 5740), (4990, 5166)]