78796480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1213}}^1$

素因数の和:1266

約数の個数: 112

約数和(自身を含む): 222016320

約数和(自身を除く): 143219840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 448, 464, 560, 580, 812, 928, 1015, 1120, 1160, 1213, 1624, 1856, 2030, 2240, 2320, 2426, 3248, 4060, 4640, 4852, 6065, 6496, 8120, 8491, 9280, 9704, 12130, 12992, 16240, 16982, 19408, 24260, 32480, 33964, 35177, 38816, 42455, 48520, 64960, 67928, 70354, 77632, 84910, 97040, 135856, 140708, 169820, 175885, 194080, 246239, 271712, 281416, 339640, 351770, 388160, 492478, 543424, 562832, 679280, 703540, 984956, 1125664, 1231195, 1358560, 1407080, 1969912, 2251328, 2462390, 2717120, 2814160, 3939824, 4924780, 5628320, 7879648, 9849560, 11256640, 15759296, 19699120, 39398240, 78796480]

約数ペア:

[(1, 78796480), (2, 39398240), (4, 19699120), (5, 15759296), (7, 11256640), (8, 9849560), (10, 7879648), (14, 5628320), (16, 4924780), (20, 3939824), (28, 2814160), (29, 2717120), (32, 2462390), (35, 2251328), (40, 1969912), (56, 1407080), (58, 1358560), (64, 1231195), (70, 1125664), (80, 984956), (112, 703540), (116, 679280), (140, 562832), (145, 543424), (160, 492478), (203, 388160), (224, 351770), (232, 339640), (280, 281416), (290, 271712), (320, 246239), (406, 194080), (448, 175885), (464, 169820), (560, 140708), (580, 135856), (812, 97040), (928, 84910), (1015, 77632), (1120, 70354), (1160, 67928), (1213, 64960), (1624, 48520), (1856, 42455), (2030, 38816), (2240, 35177), (2320, 33964), (2426, 32480), (3248, 24260), (4060, 19408), (4640, 16982), (4852, 16240), (6065, 12992), (6496, 12130), (8120, 9704), (8491, 9280)]