2840929280

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2620

約数の個数: 176

約数和(自身を含む): 8042843136

約数和(自身を除く): 5201913856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 868, 896, 992, 1024, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 2557, 2560, 3472, 3584, 3968, 4340, 4480, 4960, 5114, 5120, 6944, 7168, 7936, 8680, 8960, 9920, 10228, 12785, 13888, 15872, 17360, 17899, 17920, 19840, 20456, 25570, 27776, 31744, 34720, 35798, 35840, 39680, 40912, 51140, 55552, 69440, 71596, 79267, 79360, 81824, 89495, 102280, 111104, 138880, 143192, 158534, 158720, 163648, 178990, 204560, 222208, 277760, 286384, 317068, 327296, 357980, 396335, 409120, 554869, 555520, 572768, 634136, 654592, 715960, 792670, 818240, 1109738, 1111040, 1145536, 1268272, 1309184, 1431920, 1585340, 1636480, 2219476, 2291072, 2536544, 2618368, 2774345, 2863840, 3170680, 3272960, 4438952, 4582144, 5073088, 5548690, 5727680, 6341360, 6545920, 8877904, 9164288, 10146176, 11097380, 11455360, 12682720, 13091840, 17755808, 18328576, 20292352, 22194760, 22910720, 25365440, 35511616, 40584704, 44389520, 45821440, 50730880, 71023232, 81169408, 88779040, 91642880, 101461760, 142046464, 177558080, 202923520, 284092928, 355116160, 405847040, 568185856, 710232320, 1420464640, 2840929280]

約数ペア:

[(1, 2840929280), (2, 1420464640), (4, 710232320), (5, 568185856), (7, 405847040), (8, 355116160), (10, 284092928), (14, 202923520), (16, 177558080), (20, 142046464), (28, 101461760), (31, 91642880), (32, 88779040), (35, 81169408), (40, 71023232), (56, 50730880), (62, 45821440), (64, 44389520), (70, 40584704), (80, 35511616), (112, 25365440), (124, 22910720), (128, 22194760), (140, 20292352), (155, 18328576), (160, 17755808), (217, 13091840), (224, 12682720), (248, 11455360), (256, 11097380), (280, 10146176), (310, 9164288), (320, 8877904), (434, 6545920), (448, 6341360), (496, 5727680), (512, 5548690), (560, 5073088), (620, 4582144), (640, 4438952), (868, 3272960), (896, 3170680), (992, 2863840), (1024, 2774345), (1085, 2618368), (1120, 2536544), (1240, 2291072), (1280, 2219476), (1736, 1636480), (1792, 1585340), (1984, 1431920), (2170, 1309184), (2240, 1268272), (2480, 1145536), (2557, 1111040), (2560, 1109738), (3472, 818240), (3584, 792670), (3968, 715960), (4340, 654592), (4480, 634136), (4960, 572768), (5114, 555520), (5120, 554869), (6944, 409120), (7168, 396335), (7936, 357980), (8680, 327296), (8960, 317068), (9920, 286384), (10228, 277760), (12785, 222208), (13888, 204560), (15872, 178990), (17360, 163648), (17899, 158720), (17920, 158534), (19840, 143192), (20456, 138880), (25570, 111104), (27776, 102280), (31744, 89495), (34720, 81824), (35798, 79360), (35840, 79267), (39680, 71596), (40912, 69440), (51140, 55552)]