280432880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5503}}^1$

素因数の和:5543

約数の個数: 120

約数和(自身を含む): 816947712

約数和(自身を除く): 536514832

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 5096, 5503, 6370, 7280, 10192, 11006, 12740, 22012, 25480, 27515, 38521, 44024, 50960, 55030, 71539, 77042, 88048, 110060, 143078, 154084, 192605, 220120, 269647, 286156, 308168, 357695, 385210, 440240, 500773, 539294, 572312, 616336, 715390, 770420, 1001546, 1078588, 1144624, 1348235, 1430780, 1540840, 2003092, 2157176, 2503865, 2696470, 2861560, 3081680, 3505411, 4006184, 4314352, 5007730, 5392940, 5723120, 7010822, 8012368, 10015460, 10785880, 14021644, 17527055, 20030920, 21571760, 28043288, 35054110, 40061840, 56086576, 70108220, 140216440, 280432880]

約数ペア:

[(1, 280432880), (2, 140216440), (4, 70108220), (5, 56086576), (7, 40061840), (8, 35054110), (10, 28043288), (13, 21571760), (14, 20030920), (16, 17527055), (20, 14021644), (26, 10785880), (28, 10015460), (35, 8012368), (40, 7010822), (49, 5723120), (52, 5392940), (56, 5007730), (65, 4314352), (70, 4006184), (80, 3505411), (91, 3081680), (98, 2861560), (104, 2696470), (112, 2503865), (130, 2157176), (140, 2003092), (182, 1540840), (196, 1430780), (208, 1348235), (245, 1144624), (260, 1078588), (280, 1001546), (364, 770420), (392, 715390), (455, 616336), (490, 572312), (520, 539294), (560, 500773), (637, 440240), (728, 385210), (784, 357695), (910, 308168), (980, 286156), (1040, 269647), (1274, 220120), (1456, 192605), (1820, 154084), (1960, 143078), (2548, 110060), (3185, 88048), (3640, 77042), (3920, 71539), (5096, 55030), (5503, 50960), (6370, 44024), (7280, 38521), (10192, 27515), (11006, 25480), (12740, 22012)]