2781459200

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:471

約数の個数: 216

約数和(自身を含む): 7510154736

約数和(自身を除く): 4728695536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 101, 104, 128, 130, 160, 200, 202, 208, 256, 260, 320, 325, 331, 400, 404, 416, 505, 520, 640, 650, 662, 800, 808, 832, 1010, 1040, 1280, 1300, 1313, 1324, 1600, 1616, 1655, 1664, 2020, 2080, 2525, 2600, 2626, 2648, 3200, 3232, 3310, 3328, 4040, 4160, 4303, 5050, 5200, 5252, 5296, 6400, 6464, 6565, 6620, 8080, 8275, 8320, 8606, 10100, 10400, 10504, 10592, 12928, 13130, 13240, 16160, 16550, 16640, 17212, 20200, 20800, 21008, 21184, 21515, 25856, 26260, 26480, 32320, 32825, 33100, 33431, 34424, 40400, 41600, 42016, 42368, 43030, 52520, 52960, 64640, 65650, 66200, 66862, 68848, 80800, 83200, 84032, 84736, 86060, 105040, 105920, 107575, 129280, 131300, 132400, 133724, 137696, 161600, 167155, 168064, 172120, 210080, 211840, 215150, 262600, 264800, 267448, 275392, 323200, 334310, 336128, 344240, 420160, 423680, 430300, 434603, 525200, 529600, 534896, 550784, 646400, 668620, 688480, 835775, 840320, 860600, 869206, 1050400, 1059200, 1069792, 1101568, 1337240, 1376960, 1671550, 1680640, 1721200, 1738412, 2100800, 2118400, 2139584, 2173015, 2674480, 2753920, 3343100, 3442400, 3476824, 4201600, 4279168, 4346030, 5348960, 5507840, 6686200, 6884800, 6953648, 8403200, 8558336, 8692060, 10697920, 10865075, 13372400, 13769600, 13907296, 17384120, 21395840, 21730150, 26744800, 27539200, 27814592, 34768240, 42791680, 43460300, 53489600, 55629184, 69536480, 86920600, 106979200, 111258368, 139072960, 173841200, 213958400, 278145920, 347682400, 556291840, 695364800, 1390729600, 2781459200]

約数ペア:

[(1, 2781459200), (2, 1390729600), (4, 695364800), (5, 556291840), (8, 347682400), (10, 278145920), (13, 213958400), (16, 173841200), (20, 139072960), (25, 111258368), (26, 106979200), (32, 86920600), (40, 69536480), (50, 55629184), (52, 53489600), (64, 43460300), (65, 42791680), (80, 34768240), (100, 27814592), (101, 27539200), (104, 26744800), (128, 21730150), (130, 21395840), (160, 17384120), (200, 13907296), (202, 13769600), (208, 13372400), (256, 10865075), (260, 10697920), (320, 8692060), (325, 8558336), (331, 8403200), (400, 6953648), (404, 6884800), (416, 6686200), (505, 5507840), (520, 5348960), (640, 4346030), (650, 4279168), (662, 4201600), (800, 3476824), (808, 3442400), (832, 3343100), (1010, 2753920), (1040, 2674480), (1280, 2173015), (1300, 2139584), (1313, 2118400), (1324, 2100800), (1600, 1738412), (1616, 1721200), (1655, 1680640), (1664, 1671550), (2020, 1376960), (2080, 1337240), (2525, 1101568), (2600, 1069792), (2626, 1059200), (2648, 1050400), (3200, 869206), (3232, 860600), (3310, 840320), (3328, 835775), (4040, 688480), (4160, 668620), (4303, 646400), (5050, 550784), (5200, 534896), (5252, 529600), (5296, 525200), (6400, 434603), (6464, 430300), (6565, 423680), (6620, 420160), (8080, 344240), (8275, 336128), (8320, 334310), (8606, 323200), (10100, 275392), (10400, 267448), (10504, 264800), (10592, 262600), (12928, 215150), (13130, 211840), (13240, 210080), (16160, 172120), (16550, 168064), (16640, 167155), (17212, 161600), (20200, 137696), (20800, 133724), (21008, 132400), (21184, 131300), (21515, 129280), (25856, 107575), (26260, 105920), (26480, 105040), (32320, 86060), (32825, 84736), (33100, 84032), (33431, 83200), (34424, 80800), (40400, 68848), (41600, 66862), (42016, 66200), (42368, 65650), (43030, 64640), (52520, 52960)]