311675520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12487}}^1$

素因数の和:12522

約数の個数: 128

約数和(自身を含む): 1069971840

約数和(自身を除く): 758296320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 12487, 24960, 24974, 37461, 49948, 62435, 74922, 99896, 124870, 149844, 162331, 187305, 199792, 249740, 299688, 324662, 374610, 399584, 486993, 499480, 599376, 649324, 749220, 799168, 811655, 973986, 998960, 1198752, 1298648, 1498440, 1598336, 1623310, 1947972, 1997920, 2397504, 2434965, 2597296, 2996880, 3246620, 3895944, 3995840, 4795008, 4869930, 5194592, 5993760, 6493240, 7791888, 7991680, 9739860, 10389184, 11987520, 12986480, 15583776, 19479720, 20778368, 23975040, 25972960, 31167552, 38959440, 51945920, 62335104, 77918880, 103891840, 155837760, 311675520]

約数ペア:

[(1, 311675520), (2, 155837760), (3, 103891840), (4, 77918880), (5, 62335104), (6, 51945920), (8, 38959440), (10, 31167552), (12, 25972960), (13, 23975040), (15, 20778368), (16, 19479720), (20, 15583776), (24, 12986480), (26, 11987520), (30, 10389184), (32, 9739860), (39, 7991680), (40, 7791888), (48, 6493240), (52, 5993760), (60, 5194592), (64, 4869930), (65, 4795008), (78, 3995840), (80, 3895944), (96, 3246620), (104, 2996880), (120, 2597296), (128, 2434965), (130, 2397504), (156, 1997920), (160, 1947972), (192, 1623310), (195, 1598336), (208, 1498440), (240, 1298648), (260, 1198752), (312, 998960), (320, 973986), (384, 811655), (390, 799168), (416, 749220), (480, 649324), (520, 599376), (624, 499480), (640, 486993), (780, 399584), (832, 374610), (960, 324662), (1040, 299688), (1248, 249740), (1560, 199792), (1664, 187305), (1920, 162331), (2080, 149844), (2496, 124870), (3120, 99896), (4160, 74922), (4992, 62435), (6240, 49948), (8320, 37461), (12480, 24974), (12487, 24960)]