87800960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 231078960

約数和(自身を除く): 143278000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 160, 173, 208, 244, 260, 305, 320, 346, 416, 488, 520, 610, 640, 692, 793, 832, 865, 976, 1040, 1220, 1384, 1586, 1664, 1730, 1952, 2080, 2249, 2440, 2768, 3172, 3460, 3904, 3965, 4160, 4498, 4880, 5536, 6344, 6920, 7808, 7930, 8320, 8996, 9760, 10553, 11072, 11245, 12688, 13840, 15860, 17992, 19520, 21106, 22144, 22490, 25376, 27680, 31720, 35984, 39040, 42212, 44980, 50752, 52765, 55360, 63440, 71968, 84424, 89960, 101504, 105530, 110720, 126880, 137189, 143936, 168848, 179920, 211060, 253760, 274378, 287872, 337696, 359840, 422120, 507520, 548756, 675392, 685945, 719680, 844240, 1097512, 1350784, 1371890, 1439360, 1688480, 2195024, 2743780, 3376960, 4390048, 5487560, 6753920, 8780096, 10975120, 17560192, 21950240, 43900480, 87800960]

約数ペア:

[(1, 87800960), (2, 43900480), (4, 21950240), (5, 17560192), (8, 10975120), (10, 8780096), (13, 6753920), (16, 5487560), (20, 4390048), (26, 3376960), (32, 2743780), (40, 2195024), (52, 1688480), (61, 1439360), (64, 1371890), (65, 1350784), (80, 1097512), (104, 844240), (122, 719680), (128, 685945), (130, 675392), (160, 548756), (173, 507520), (208, 422120), (244, 359840), (260, 337696), (305, 287872), (320, 274378), (346, 253760), (416, 211060), (488, 179920), (520, 168848), (610, 143936), (640, 137189), (692, 126880), (793, 110720), (832, 105530), (865, 101504), (976, 89960), (1040, 84424), (1220, 71968), (1384, 63440), (1586, 55360), (1664, 52765), (1730, 50752), (1952, 44980), (2080, 42212), (2249, 39040), (2440, 35984), (2768, 31720), (3172, 27680), (3460, 25376), (3904, 22490), (3965, 22144), (4160, 21106), (4498, 19520), (4880, 17992), (5536, 15860), (6344, 13840), (6920, 12688), (7808, 11245), (7930, 11072), (8320, 10553), (8996, 9760)]