265257280

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:312

約数の個数: 112

約数和(自身を含む): 653101056

約数和(自身を除く): 387843776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 107, 122, 127, 160, 214, 244, 254, 305, 320, 428, 488, 508, 535, 610, 635, 856, 976, 1016, 1070, 1220, 1270, 1712, 1952, 2032, 2140, 2440, 2540, 3424, 3904, 4064, 4280, 4880, 5080, 6527, 6848, 7747, 8128, 8560, 9760, 10160, 13054, 13589, 15494, 17120, 19520, 20320, 26108, 27178, 30988, 32635, 34240, 38735, 40640, 52216, 54356, 61976, 65270, 67945, 77470, 104432, 108712, 123952, 130540, 135890, 154940, 208864, 217424, 247904, 261080, 271780, 309880, 417728, 434848, 495808, 522160, 543560, 619760, 828929, 869696, 1044320, 1087120, 1239520, 1657858, 2088640, 2174240, 2479040, 3315716, 4144645, 4348480, 6631432, 8289290, 13262864, 16578580, 26525728, 33157160, 53051456, 66314320, 132628640, 265257280]

約数ペア:

[(1, 265257280), (2, 132628640), (4, 66314320), (5, 53051456), (8, 33157160), (10, 26525728), (16, 16578580), (20, 13262864), (32, 8289290), (40, 6631432), (61, 4348480), (64, 4144645), (80, 3315716), (107, 2479040), (122, 2174240), (127, 2088640), (160, 1657858), (214, 1239520), (244, 1087120), (254, 1044320), (305, 869696), (320, 828929), (428, 619760), (488, 543560), (508, 522160), (535, 495808), (610, 434848), (635, 417728), (856, 309880), (976, 271780), (1016, 261080), (1070, 247904), (1220, 217424), (1270, 208864), (1712, 154940), (1952, 135890), (2032, 130540), (2140, 123952), (2440, 108712), (2540, 104432), (3424, 77470), (3904, 67945), (4064, 65270), (4280, 61976), (4880, 54356), (5080, 52216), (6527, 40640), (6848, 38735), (7747, 34240), (8128, 32635), (8560, 30988), (9760, 27178), (10160, 26108), (13054, 20320), (13589, 19520), (15494, 17120)]