15980748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 49158144

約数和(自身を除く): 33177396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 19, 21, 28, 31, 34, 38, 42, 51, 57, 62, 68, 76, 84, 93, 102, 114, 119, 124, 133, 186, 204, 217, 228, 238, 266, 323, 357, 361, 372, 399, 434, 476, 527, 532, 589, 646, 651, 714, 722, 798, 868, 969, 1054, 1083, 1178, 1292, 1302, 1428, 1444, 1581, 1596, 1767, 1938, 2108, 2166, 2261, 2356, 2527, 2604, 3162, 3534, 3689, 3876, 4123, 4332, 4522, 5054, 6137, 6324, 6783, 7068, 7378, 7581, 8246, 9044, 10013, 10108, 11067, 11191, 12274, 12369, 13566, 14756, 15162, 16492, 18411, 20026, 22134, 22382, 24548, 24738, 27132, 30039, 30324, 33573, 36822, 40052, 42959, 44268, 44764, 49476, 60078, 67146, 70091, 73644, 78337, 85918, 120156, 128877, 134292, 140182, 156674, 171836, 190247, 210273, 235011, 257754, 280364, 313348, 380494, 420546, 470022, 515508, 570741, 760988, 841092, 940044, 1141482, 1331729, 2282964, 2663458, 3995187, 5326916, 7990374, 15980748]

約数ペア:

[(1, 15980748), (2, 7990374), (3, 5326916), (4, 3995187), (6, 2663458), (7, 2282964), (12, 1331729), (14, 1141482), (17, 940044), (19, 841092), (21, 760988), (28, 570741), (31, 515508), (34, 470022), (38, 420546), (42, 380494), (51, 313348), (57, 280364), (62, 257754), (68, 235011), (76, 210273), (84, 190247), (93, 171836), (102, 156674), (114, 140182), (119, 134292), (124, 128877), (133, 120156), (186, 85918), (204, 78337), (217, 73644), (228, 70091), (238, 67146), (266, 60078), (323, 49476), (357, 44764), (361, 44268), (372, 42959), (399, 40052), (434, 36822), (476, 33573), (527, 30324), (532, 30039), (589, 27132), (646, 24738), (651, 24548), (714, 22382), (722, 22134), (798, 20026), (868, 18411), (969, 16492), (1054, 15162), (1083, 14756), (1178, 13566), (1292, 12369), (1302, 12274), (1428, 11191), (1444, 11067), (1581, 10108), (1596, 10013), (1767, 9044), (1938, 8246), (2108, 7581), (2166, 7378), (2261, 7068), (2356, 6783), (2527, 6324), (2604, 6137), (3162, 5054), (3534, 4522), (3689, 4332), (3876, 4123)]