77918880

素因数分解:

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

素因数の和:12518

約数の個数: 96

約数和(自身を含む): 264345984

約数和(自身を除く): 186427104

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, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 12487, 24974, 37461, 49948, 62435, 74922, 99896, 124870, 149844, 162331, 187305, 199792, 249740, 299688, 324662, 374610, 399584, 486993, 499480, 599376, 649324, 749220, 811655, 973986, 998960, 1198752, 1298648, 1498440, 1623310, 1947972, 1997920, 2434965, 2597296, 2996880, 3246620, 3895944, 4869930, 5194592, 5993760, 6493240, 7791888, 9739860, 12986480, 15583776, 19479720, 25972960, 38959440, 77918880]

約数ペア:

[(1, 77918880), (2, 38959440), (3, 25972960), (4, 19479720), (5, 15583776), (6, 12986480), (8, 9739860), (10, 7791888), (12, 6493240), (13, 5993760), (15, 5194592), (16, 4869930), (20, 3895944), (24, 3246620), (26, 2996880), (30, 2597296), (32, 2434965), (39, 1997920), (40, 1947972), (48, 1623310), (52, 1498440), (60, 1298648), (65, 1198752), (78, 998960), (80, 973986), (96, 811655), (104, 749220), (120, 649324), (130, 599376), (156, 499480), (160, 486993), (195, 399584), (208, 374610), (240, 324662), (260, 299688), (312, 249740), (390, 199792), (416, 187305), (480, 162331), (520, 149844), (624, 124870), (780, 99896), (1040, 74922), (1248, 62435), (1560, 49948), (2080, 37461), (3120, 24974), (6240, 12487)]