78518880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4957}}^1$

素因数の和:4989

約数の個数: 144

約数和(自身を含む): 292363344

約数和(自身を除く): 213844464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 4957, 5280, 7920, 9914, 14871, 15840, 19828, 24785, 29742, 39656, 44613, 49570, 54527, 59484, 74355, 79312, 89226, 99140, 109054, 118968, 148710, 158624, 163581, 178452, 198280, 218108, 223065, 237936, 272635, 297420, 327162, 356904, 396560, 436216, 446130, 475872, 490743, 545270, 594840, 654324, 713808, 793120, 817905, 872432, 892260, 981486, 1090540, 1189680, 1308648, 1427616, 1635810, 1744864, 1784520, 1962972, 2181080, 2379360, 2453715, 2617296, 3271620, 3569040, 3925944, 4362160, 4907430, 5234592, 6543240, 7138080, 7851888, 8724320, 9814860, 13086480, 15703776, 19629720, 26172960, 39259440, 78518880]

約数ペア:

[(1, 78518880), (2, 39259440), (3, 26172960), (4, 19629720), (5, 15703776), (6, 13086480), (8, 9814860), (9, 8724320), (10, 7851888), (11, 7138080), (12, 6543240), (15, 5234592), (16, 4907430), (18, 4362160), (20, 3925944), (22, 3569040), (24, 3271620), (30, 2617296), (32, 2453715), (33, 2379360), (36, 2181080), (40, 1962972), (44, 1784520), (45, 1744864), (48, 1635810), (55, 1427616), (60, 1308648), (66, 1189680), (72, 1090540), (80, 981486), (88, 892260), (90, 872432), (96, 817905), (99, 793120), (110, 713808), (120, 654324), (132, 594840), (144, 545270), (160, 490743), (165, 475872), (176, 446130), (180, 436216), (198, 396560), (220, 356904), (240, 327162), (264, 297420), (288, 272635), (330, 237936), (352, 223065), (360, 218108), (396, 198280), (440, 178452), (480, 163581), (495, 158624), (528, 148710), (660, 118968), (720, 109054), (792, 99140), (880, 89226), (990, 79312), (1056, 74355), (1320, 59484), (1440, 54527), (1584, 49570), (1760, 44613), (1980, 39656), (2640, 29742), (3168, 24785), (3960, 19828), (4957, 15840), (5280, 14871), (7920, 9914)]