161927640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{21419}}^1$

素因数の和:21446

約数の個数: 128

約数和(自身を含む): 616896000

約数和(自身を除く): 454968360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 21419, 42838, 64257, 85676, 107095, 128514, 149933, 171352, 192771, 214190, 257028, 299866, 321285, 385542, 428380, 449799, 514056, 578313, 599732, 642570, 749665, 771084, 856760, 899598, 963855, 1156626, 1199464, 1285140, 1349397, 1499330, 1542168, 1799196, 1927710, 2248995, 2313252, 2570280, 2698794, 2891565, 2998660, 3598392, 3855420, 4048191, 4497990, 4626504, 5397588, 5783130, 5997320, 6746985, 7710840, 8096382, 8995980, 10795176, 11566260, 13493970, 16192764, 17991960, 20240955, 23132520, 26987940, 32385528, 40481910, 53975880, 80963820, 161927640]

約数ペア:

[(1, 161927640), (2, 80963820), (3, 53975880), (4, 40481910), (5, 32385528), (6, 26987940), (7, 23132520), (8, 20240955), (9, 17991960), (10, 16192764), (12, 13493970), (14, 11566260), (15, 10795176), (18, 8995980), (20, 8096382), (21, 7710840), (24, 6746985), (27, 5997320), (28, 5783130), (30, 5397588), (35, 4626504), (36, 4497990), (40, 4048191), (42, 3855420), (45, 3598392), (54, 2998660), (56, 2891565), (60, 2698794), (63, 2570280), (70, 2313252), (72, 2248995), (84, 1927710), (90, 1799196), (105, 1542168), (108, 1499330), (120, 1349397), (126, 1285140), (135, 1199464), (140, 1156626), (168, 963855), (180, 899598), (189, 856760), (210, 771084), (216, 749665), (252, 642570), (270, 599732), (280, 578313), (315, 514056), (360, 449799), (378, 428380), (420, 385542), (504, 321285), (540, 299866), (630, 257028), (756, 214190), (840, 192771), (945, 171352), (1080, 149933), (1260, 128514), (1512, 107095), (1890, 85676), (2520, 64257), (3780, 42838), (7560, 21419)]