1280522280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{4157}}^1$

素因数の和:4339

約数の個数: 128

約数和(自身を含む): 4095463680

約数和(自身を除く): 2814941400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 151, 170, 204, 255, 302, 340, 408, 453, 510, 604, 680, 755, 906, 1020, 1208, 1510, 1812, 2040, 2265, 2567, 3020, 3624, 4157, 4530, 5134, 6040, 7701, 8314, 9060, 10268, 12471, 12835, 15402, 16628, 18120, 20536, 20785, 24942, 25670, 30804, 33256, 38505, 41570, 49884, 51340, 61608, 62355, 70669, 77010, 83140, 99768, 102680, 124710, 141338, 154020, 166280, 212007, 249420, 282676, 308040, 353345, 424014, 498840, 565352, 627707, 706690, 848028, 1060035, 1255414, 1413380, 1696056, 1883121, 2120070, 2510828, 2826760, 3138535, 3766242, 4240140, 5021656, 6277070, 7532484, 8480280, 9415605, 10671019, 12554140, 15064968, 18831210, 21342038, 25108280, 32013057, 37662420, 42684076, 53355095, 64026114, 75324840, 85368152, 106710190, 128052228, 160065285, 213420380, 256104456, 320130570, 426840760, 640261140, 1280522280]

約数ペア:

[(1, 1280522280), (2, 640261140), (3, 426840760), (4, 320130570), (5, 256104456), (6, 213420380), (8, 160065285), (10, 128052228), (12, 106710190), (15, 85368152), (17, 75324840), (20, 64026114), (24, 53355095), (30, 42684076), (34, 37662420), (40, 32013057), (51, 25108280), (60, 21342038), (68, 18831210), (85, 15064968), (102, 12554140), (120, 10671019), (136, 9415605), (151, 8480280), (170, 7532484), (204, 6277070), (255, 5021656), (302, 4240140), (340, 3766242), (408, 3138535), (453, 2826760), (510, 2510828), (604, 2120070), (680, 1883121), (755, 1696056), (906, 1413380), (1020, 1255414), (1208, 1060035), (1510, 848028), (1812, 706690), (2040, 627707), (2265, 565352), (2567, 498840), (3020, 424014), (3624, 353345), (4157, 308040), (4530, 282676), (5134, 249420), (6040, 212007), (7701, 166280), (8314, 154020), (9060, 141338), (10268, 124710), (12471, 102680), (12835, 99768), (15402, 83140), (16628, 77010), (18120, 70669), (20536, 62355), (20785, 61608), (24942, 51340), (25670, 49884), (30804, 41570), (33256, 38505)]