280559790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:703

約数の個数: 144

約数和(自身を含む): 857580048

約数和(自身を除く): 577020258

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 113, 126, 147, 210, 226, 245, 294, 315, 339, 441, 490, 563, 565, 630, 678, 735, 791, 882, 1017, 1126, 1130, 1470, 1582, 1689, 1695, 2034, 2205, 2373, 2815, 3378, 3390, 3941, 3955, 4410, 4746, 5067, 5085, 5537, 5630, 7119, 7882, 7910, 8445, 10134, 10170, 11074, 11823, 11865, 14238, 16611, 16890, 19705, 23646, 23730, 25335, 27587, 27685, 33222, 35469, 35595, 39410, 49833, 50670, 55174, 55370, 59115, 63619, 70938, 71190, 82761, 83055, 99666, 118230, 127238, 137935, 165522, 166110, 177345, 190857, 248283, 249165, 275870, 318095, 354690, 381714, 413805, 445333, 496566, 498330, 572571, 636190, 827610, 890666, 954285, 1145142, 1241415, 1335999, 1908570, 2226665, 2482830, 2671998, 2862855, 3117331, 4007997, 4453330, 5725710, 6234662, 6679995, 8015994, 9351993, 13359990, 15586655, 18703986, 20039985, 28055979, 31173310, 40079970, 46759965, 56111958, 93519930, 140279895, 280559790]

約数ペア:

[(1, 280559790), (2, 140279895), (3, 93519930), (5, 56111958), (6, 46759965), (7, 40079970), (9, 31173310), (10, 28055979), (14, 20039985), (15, 18703986), (18, 15586655), (21, 13359990), (30, 9351993), (35, 8015994), (42, 6679995), (45, 6234662), (49, 5725710), (63, 4453330), (70, 4007997), (90, 3117331), (98, 2862855), (105, 2671998), (113, 2482830), (126, 2226665), (147, 1908570), (210, 1335999), (226, 1241415), (245, 1145142), (294, 954285), (315, 890666), (339, 827610), (441, 636190), (490, 572571), (563, 498330), (565, 496566), (630, 445333), (678, 413805), (735, 381714), (791, 354690), (882, 318095), (1017, 275870), (1126, 249165), (1130, 248283), (1470, 190857), (1582, 177345), (1689, 166110), (1695, 165522), (2034, 137935), (2205, 127238), (2373, 118230), (2815, 99666), (3378, 83055), (3390, 82761), (3941, 71190), (3955, 70938), (4410, 63619), (4746, 59115), (5067, 55370), (5085, 55174), (5537, 50670), (5630, 49833), (7119, 39410), (7882, 35595), (7910, 35469), (8445, 33222), (10134, 27685), (10170, 27587), (11074, 25335), (11823, 23730), (11865, 23646), (14238, 19705), (16611, 16890)]