1971988740

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4363}}^1$

素因数の和:4421

約数の個数: 168

約数和(自身を含む): 6410681088

約数和(自身を除く): 4438692348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 243, 270, 279, 310, 324, 372, 405, 465, 486, 540, 558, 620, 729, 810, 837, 930, 972, 1116, 1215, 1395, 1458, 1620, 1674, 1860, 2430, 2511, 2790, 2916, 3348, 3645, 4185, 4363, 4860, 5022, 5580, 7290, 7533, 8370, 8726, 10044, 12555, 13089, 14580, 15066, 16740, 17452, 21815, 22599, 25110, 26178, 30132, 37665, 39267, 43630, 45198, 50220, 52356, 65445, 75330, 78534, 87260, 90396, 112995, 117801, 130890, 135253, 150660, 157068, 196335, 225990, 235602, 261780, 270506, 353403, 392670, 405759, 451980, 471204, 541012, 589005, 676265, 706806, 785340, 811518, 1060209, 1178010, 1217277, 1352530, 1413612, 1623036, 1767015, 2028795, 2120418, 2356020, 2434554, 2705060, 3180627, 3534030, 3651831, 4057590, 4240836, 4869108, 5301045, 6086385, 6361254, 7068060, 7303662, 8115180, 10602090, 10955493, 12172770, 12722508, 14607324, 15903135, 18259155, 21204180, 21910986, 24345540, 31806270, 32866479, 36518310, 43821972, 54777465, 63612540, 65732958, 73036620, 98599437, 109554930, 131465916, 164332395, 197198874, 219109860, 328664790, 394397748, 492997185, 657329580, 985994370, 1971988740]

約数ペア:

[(1, 1971988740), (2, 985994370), (3, 657329580), (4, 492997185), (5, 394397748), (6, 328664790), (9, 219109860), (10, 197198874), (12, 164332395), (15, 131465916), (18, 109554930), (20, 98599437), (27, 73036620), (30, 65732958), (31, 63612540), (36, 54777465), (45, 43821972), (54, 36518310), (60, 32866479), (62, 31806270), (81, 24345540), (90, 21910986), (93, 21204180), (108, 18259155), (124, 15903135), (135, 14607324), (155, 12722508), (162, 12172770), (180, 10955493), (186, 10602090), (243, 8115180), (270, 7303662), (279, 7068060), (310, 6361254), (324, 6086385), (372, 5301045), (405, 4869108), (465, 4240836), (486, 4057590), (540, 3651831), (558, 3534030), (620, 3180627), (729, 2705060), (810, 2434554), (837, 2356020), (930, 2120418), (972, 2028795), (1116, 1767015), (1215, 1623036), (1395, 1413612), (1458, 1352530), (1620, 1217277), (1674, 1178010), (1860, 1060209), (2430, 811518), (2511, 785340), (2790, 706806), (2916, 676265), (3348, 589005), (3645, 541012), (4185, 471204), (4363, 451980), (4860, 405759), (5022, 392670), (5580, 353403), (7290, 270506), (7533, 261780), (8370, 235602), (8726, 225990), (10044, 196335), (12555, 157068), (13089, 150660), (14580, 135253), (15066, 130890), (16740, 117801), (17452, 112995), (21815, 90396), (22599, 87260), (25110, 78534), (26178, 75330), (30132, 65445), (37665, 52356), (39267, 50220), (43630, 45198)]