260621784

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 767913120

約数和(自身を除く): 507291336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 37, 38, 57, 72, 74, 76, 111, 114, 148, 152, 171, 222, 228, 271, 296, 333, 342, 361, 444, 456, 542, 666, 684, 703, 722, 813, 888, 1083, 1084, 1332, 1368, 1406, 1444, 1626, 2109, 2166, 2168, 2439, 2664, 2812, 2888, 3249, 3252, 4218, 4332, 4878, 5149, 5624, 6327, 6498, 6504, 8436, 8664, 9756, 10027, 10298, 12654, 12996, 13357, 15447, 16872, 19512, 20054, 20596, 25308, 25992, 26714, 30081, 30894, 40071, 40108, 41192, 46341, 50616, 53428, 60162, 61788, 80142, 80216, 90243, 92682, 97831, 106856, 120213, 120324, 123576, 160284, 180486, 185364, 190513, 195662, 240426, 240648, 293493, 320568, 360972, 370728, 381026, 391324, 480852, 571539, 586986, 721944, 762052, 782648, 880479, 961704, 1143078, 1173972, 1524104, 1714617, 1760958, 2286156, 2347944, 3429234, 3521916, 3619747, 4572312, 6858468, 7043832, 7239494, 10859241, 13716936, 14478988, 21718482, 28957976, 32577723, 43436964, 65155446, 86873928, 130310892, 260621784]

約数ペア:

[(1, 260621784), (2, 130310892), (3, 86873928), (4, 65155446), (6, 43436964), (8, 32577723), (9, 28957976), (12, 21718482), (18, 14478988), (19, 13716936), (24, 10859241), (36, 7239494), (37, 7043832), (38, 6858468), (57, 4572312), (72, 3619747), (74, 3521916), (76, 3429234), (111, 2347944), (114, 2286156), (148, 1760958), (152, 1714617), (171, 1524104), (222, 1173972), (228, 1143078), (271, 961704), (296, 880479), (333, 782648), (342, 762052), (361, 721944), (444, 586986), (456, 571539), (542, 480852), (666, 391324), (684, 381026), (703, 370728), (722, 360972), (813, 320568), (888, 293493), (1083, 240648), (1084, 240426), (1332, 195662), (1368, 190513), (1406, 185364), (1444, 180486), (1626, 160284), (2109, 123576), (2166, 120324), (2168, 120213), (2439, 106856), (2664, 97831), (2812, 92682), (2888, 90243), (3249, 80216), (3252, 80142), (4218, 61788), (4332, 60162), (4878, 53428), (5149, 50616), (5624, 46341), (6327, 41192), (6498, 40108), (6504, 40071), (8436, 30894), (8664, 30081), (9756, 26714), (10027, 25992), (10298, 25308), (12654, 20596), (12996, 20054), (13357, 19512), (15447, 16872)]