1047948800

素因数分解:

$2^9\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 240

約数和(自身を含む): 2841484800

約数和(自身を除く): 1793536000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 95, 100, 124, 128, 139, 152, 155, 160, 190, 200, 248, 256, 278, 304, 310, 320, 380, 400, 475, 496, 512, 556, 589, 608, 620, 640, 695, 760, 775, 800, 950, 992, 1112, 1178, 1216, 1240, 1280, 1390, 1520, 1550, 1600, 1900, 1984, 2224, 2356, 2432, 2480, 2560, 2641, 2780, 2945, 3040, 3100, 3200, 3475, 3800, 3968, 4309, 4448, 4712, 4864, 4960, 5282, 5560, 5890, 6080, 6200, 6400, 6950, 7600, 7936, 8618, 8896, 9424, 9728, 9920, 10564, 11120, 11780, 12160, 12400, 12800, 13205, 13900, 14725, 15200, 15872, 17236, 17792, 18848, 19840, 21128, 21545, 22240, 23560, 24320, 24800, 26410, 27800, 29450, 30400, 34472, 35584, 37696, 39680, 42256, 43090, 44480, 47120, 48640, 49600, 52820, 55600, 58900, 60800, 66025, 68944, 71168, 75392, 79360, 81871, 84512, 86180, 88960, 94240, 99200, 105640, 107725, 111200, 117800, 121600, 132050, 137888, 150784, 163742, 169024, 172360, 177920, 188480, 198400, 211280, 215450, 222400, 235600, 243200, 264100, 275776, 301568, 327484, 338048, 344720, 355840, 376960, 396800, 409355, 422560, 430900, 444800, 471200, 528200, 551552, 654968, 676096, 689440, 753920, 818710, 845120, 861800, 889600, 942400, 1056400, 1103104, 1309936, 1352192, 1378880, 1507840, 1637420, 1690240, 1723600, 1779200, 1884800, 2046775, 2112800, 2206208, 2619872, 2757760, 3274840, 3380480, 3447200, 3769600, 4093550, 4225600, 5239744, 5515520, 6549680, 6760960, 6894400, 7539200, 8187100, 8451200, 10479488, 11031040, 13099360, 13788800, 16374200, 16902400, 20958976, 26198720, 27577600, 32748400, 33804800, 41917952, 52397440, 55155200, 65496800, 104794880, 130993600, 209589760, 261987200, 523974400, 1047948800]

約数ペア:

[(1, 1047948800), (2, 523974400), (4, 261987200), (5, 209589760), (8, 130993600), (10, 104794880), (16, 65496800), (19, 55155200), (20, 52397440), (25, 41917952), (31, 33804800), (32, 32748400), (38, 27577600), (40, 26198720), (50, 20958976), (62, 16902400), (64, 16374200), (76, 13788800), (80, 13099360), (95, 11031040), (100, 10479488), (124, 8451200), (128, 8187100), (139, 7539200), (152, 6894400), (155, 6760960), (160, 6549680), (190, 5515520), (200, 5239744), (248, 4225600), (256, 4093550), (278, 3769600), (304, 3447200), (310, 3380480), (320, 3274840), (380, 2757760), (400, 2619872), (475, 2206208), (496, 2112800), (512, 2046775), (556, 1884800), (589, 1779200), (608, 1723600), (620, 1690240), (640, 1637420), (695, 1507840), (760, 1378880), (775, 1352192), (800, 1309936), (950, 1103104), (992, 1056400), (1112, 942400), (1178, 889600), (1216, 861800), (1240, 845120), (1280, 818710), (1390, 753920), (1520, 689440), (1550, 676096), (1600, 654968), (1900, 551552), (1984, 528200), (2224, 471200), (2356, 444800), (2432, 430900), (2480, 422560), (2560, 409355), (2641, 396800), (2780, 376960), (2945, 355840), (3040, 344720), (3100, 338048), (3200, 327484), (3475, 301568), (3800, 275776), (3968, 264100), (4309, 243200), (4448, 235600), (4712, 222400), (4864, 215450), (4960, 211280), (5282, 198400), (5560, 188480), (5890, 177920), (6080, 172360), (6200, 169024), (6400, 163742), (6950, 150784), (7600, 137888), (7936, 132050), (8618, 121600), (8896, 117800), (9424, 111200), (9728, 107725), (9920, 105640), (10564, 99200), (11120, 94240), (11780, 88960), (12160, 86180), (12400, 84512), (12800, 81871), (13205, 79360), (13900, 75392), (14725, 71168), (15200, 68944), (15872, 66025), (17236, 60800), (17792, 58900), (18848, 55600), (19840, 52820), (21128, 49600), (21545, 48640), (22240, 47120), (23560, 44480), (24320, 43090), (24800, 42256), (26410, 39680), (27800, 37696), (29450, 35584), (30400, 34472)]