275954560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2044

約数の個数: 128

約数和(自身を含む): 778659840

約数和(自身を除く): 502705280

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, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 1987, 2170, 2240, 2480, 3472, 3968, 3974, 4340, 4480, 4960, 6944, 7948, 8680, 9920, 9935, 13888, 13909, 15896, 17360, 19840, 19870, 27776, 27818, 31792, 34720, 39740, 55636, 61597, 63584, 69440, 69545, 79480, 111272, 123194, 127168, 138880, 139090, 158960, 222544, 246388, 254336, 278180, 307985, 317920, 431179, 445088, 492776, 556360, 615970, 635840, 862358, 890176, 985552, 1112720, 1231940, 1271680, 1724716, 1780352, 1971104, 2155895, 2225440, 2463880, 3449432, 3942208, 4311790, 4450880, 4927760, 6898864, 7884416, 8623580, 8901760, 9855520, 13797728, 17247160, 19711040, 27595456, 34494320, 39422080, 55190912, 68988640, 137977280, 275954560]

約数ペア:

[(1, 275954560), (2, 137977280), (4, 68988640), (5, 55190912), (7, 39422080), (8, 34494320), (10, 27595456), (14, 19711040), (16, 17247160), (20, 13797728), (28, 9855520), (31, 8901760), (32, 8623580), (35, 7884416), (40, 6898864), (56, 4927760), (62, 4450880), (64, 4311790), (70, 3942208), (80, 3449432), (112, 2463880), (124, 2225440), (128, 2155895), (140, 1971104), (155, 1780352), (160, 1724716), (217, 1271680), (224, 1231940), (248, 1112720), (280, 985552), (310, 890176), (320, 862358), (434, 635840), (448, 615970), (496, 556360), (560, 492776), (620, 445088), (640, 431179), (868, 317920), (896, 307985), (992, 278180), (1085, 254336), (1120, 246388), (1240, 222544), (1736, 158960), (1984, 139090), (1987, 138880), (2170, 127168), (2240, 123194), (2480, 111272), (3472, 79480), (3968, 69545), (3974, 69440), (4340, 63584), (4480, 61597), (4960, 55636), (6944, 39740), (7948, 34720), (8680, 31792), (9920, 27818), (9935, 27776), (13888, 19870), (13909, 19840), (15896, 17360)]