51556680

素因数分解:

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

素因数の和:564

約数の個数: 192

約数和(自身を含む): 196560000

約数和(自身を除く): 145003320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 56, 60, 63, 70, 72, 82, 84, 90, 105, 120, 123, 126, 140, 164, 168, 180, 205, 210, 246, 252, 280, 287, 315, 328, 360, 369, 410, 420, 492, 499, 504, 574, 615, 630, 738, 820, 840, 861, 984, 998, 1148, 1230, 1260, 1435, 1476, 1497, 1640, 1722, 1845, 1996, 2296, 2460, 2495, 2520, 2583, 2870, 2952, 2994, 3444, 3493, 3690, 3992, 4305, 4491, 4920, 4990, 5166, 5740, 5988, 6888, 6986, 7380, 7485, 8610, 8982, 9980, 10332, 10479, 11480, 11976, 12915, 13972, 14760, 14970, 17220, 17465, 17964, 19960, 20459, 20664, 20958, 22455, 25830, 27944, 29940, 31437, 34440, 34930, 35928, 40918, 41916, 44910, 51660, 52395, 59880, 61377, 62874, 69860, 81836, 83832, 89820, 102295, 103320, 104790, 122754, 125748, 139720, 143213, 157185, 163672, 179640, 184131, 204590, 209580, 245508, 251496, 286426, 306885, 314370, 368262, 409180, 419160, 429639, 491016, 572852, 613770, 628740, 716065, 736524, 818360, 859278, 920655, 1145704, 1227540, 1257480, 1288917, 1432130, 1473048, 1718556, 1841310, 2148195, 2455080, 2577834, 2864260, 3437112, 3682620, 4296390, 5155668, 5728520, 6444585, 7365240, 8592780, 10311336, 12889170, 17185560, 25778340, 51556680]

約数ペア:

[(1, 51556680), (2, 25778340), (3, 17185560), (4, 12889170), (5, 10311336), (6, 8592780), (7, 7365240), (8, 6444585), (9, 5728520), (10, 5155668), (12, 4296390), (14, 3682620), (15, 3437112), (18, 2864260), (20, 2577834), (21, 2455080), (24, 2148195), (28, 1841310), (30, 1718556), (35, 1473048), (36, 1432130), (40, 1288917), (41, 1257480), (42, 1227540), (45, 1145704), (56, 920655), (60, 859278), (63, 818360), (70, 736524), (72, 716065), (82, 628740), (84, 613770), (90, 572852), (105, 491016), (120, 429639), (123, 419160), (126, 409180), (140, 368262), (164, 314370), (168, 306885), (180, 286426), (205, 251496), (210, 245508), (246, 209580), (252, 204590), (280, 184131), (287, 179640), (315, 163672), (328, 157185), (360, 143213), (369, 139720), (410, 125748), (420, 122754), (492, 104790), (499, 103320), (504, 102295), (574, 89820), (615, 83832), (630, 81836), (738, 69860), (820, 62874), (840, 61377), (861, 59880), (984, 52395), (998, 51660), (1148, 44910), (1230, 41916), (1260, 40918), (1435, 35928), (1476, 34930), (1497, 34440), (1640, 31437), (1722, 29940), (1845, 27944), (1996, 25830), (2296, 22455), (2460, 20958), (2495, 20664), (2520, 20459), (2583, 19960), (2870, 17964), (2952, 17465), (2994, 17220), (3444, 14970), (3493, 14760), (3690, 13972), (3992, 12915), (4305, 11976), (4491, 11480), (4920, 10479), (4990, 10332), (5166, 9980), (5740, 8982), (5988, 8610), (6888, 7485), (6986, 7380)]