138463360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1054

約数の個数: 128

約数和(自身を含む): 390896640

約数和(自身を除く): 252433280

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, 997, 1085, 1120, 1240, 1736, 1984, 1994, 2170, 2240, 2480, 3472, 3968, 3988, 4340, 4480, 4960, 4985, 6944, 6979, 7976, 8680, 9920, 9970, 13888, 13958, 15952, 17360, 19840, 19940, 27776, 27916, 30907, 31904, 34720, 34895, 39880, 55832, 61814, 63808, 69440, 69790, 79760, 111664, 123628, 127616, 138880, 139580, 154535, 159520, 216349, 223328, 247256, 279160, 309070, 319040, 432698, 446656, 494512, 558320, 618140, 638080, 865396, 893312, 989024, 1081745, 1116640, 1236280, 1730792, 1978048, 2163490, 2233280, 2472560, 3461584, 3956096, 4326980, 4466560, 4945120, 6923168, 8653960, 9890240, 13846336, 17307920, 19780480, 27692672, 34615840, 69231680, 138463360]

約数ペア:

[(1, 138463360), (2, 69231680), (4, 34615840), (5, 27692672), (7, 19780480), (8, 17307920), (10, 13846336), (14, 9890240), (16, 8653960), (20, 6923168), (28, 4945120), (31, 4466560), (32, 4326980), (35, 3956096), (40, 3461584), (56, 2472560), (62, 2233280), (64, 2163490), (70, 1978048), (80, 1730792), (112, 1236280), (124, 1116640), (128, 1081745), (140, 989024), (155, 893312), (160, 865396), (217, 638080), (224, 618140), (248, 558320), (280, 494512), (310, 446656), (320, 432698), (434, 319040), (448, 309070), (496, 279160), (560, 247256), (620, 223328), (640, 216349), (868, 159520), (896, 154535), (992, 139580), (997, 138880), (1085, 127616), (1120, 123628), (1240, 111664), (1736, 79760), (1984, 69790), (1994, 69440), (2170, 63808), (2240, 61814), (2480, 55832), (3472, 39880), (3968, 34895), (3988, 34720), (4340, 31904), (4480, 30907), (4960, 27916), (4985, 27776), (6944, 19940), (6979, 19840), (7976, 17360), (8680, 15952), (9920, 13958), (9970, 13888)]