164806720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:432

約数の個数: 112

約数和(自身を含む): 426933360

約数和(自身を除く): 262126640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 173, 208, 229, 260, 320, 346, 416, 458, 520, 692, 832, 865, 916, 1040, 1145, 1384, 1730, 1832, 2080, 2249, 2290, 2768, 2977, 3460, 3664, 4160, 4498, 4580, 5536, 5954, 6920, 7328, 8996, 9160, 11072, 11245, 11908, 13840, 14656, 14885, 17992, 18320, 22490, 23816, 27680, 29770, 35984, 36640, 39617, 44980, 47632, 55360, 59540, 71968, 73280, 79234, 89960, 95264, 119080, 143936, 158468, 179920, 190528, 198085, 238160, 316936, 359840, 396170, 476320, 515021, 633872, 719680, 792340, 952640, 1030042, 1267744, 1584680, 2060084, 2535488, 2575105, 3169360, 4120168, 5150210, 6338720, 8240336, 10300420, 12677440, 16480672, 20600840, 32961344, 41201680, 82403360, 164806720]

約数ペア:

[(1, 164806720), (2, 82403360), (4, 41201680), (5, 32961344), (8, 20600840), (10, 16480672), (13, 12677440), (16, 10300420), (20, 8240336), (26, 6338720), (32, 5150210), (40, 4120168), (52, 3169360), (64, 2575105), (65, 2535488), (80, 2060084), (104, 1584680), (130, 1267744), (160, 1030042), (173, 952640), (208, 792340), (229, 719680), (260, 633872), (320, 515021), (346, 476320), (416, 396170), (458, 359840), (520, 316936), (692, 238160), (832, 198085), (865, 190528), (916, 179920), (1040, 158468), (1145, 143936), (1384, 119080), (1730, 95264), (1832, 89960), (2080, 79234), (2249, 73280), (2290, 71968), (2768, 59540), (2977, 55360), (3460, 47632), (3664, 44980), (4160, 39617), (4498, 36640), (4580, 35984), (5536, 29770), (5954, 27680), (6920, 23816), (7328, 22490), (8996, 18320), (9160, 17992), (11072, 14885), (11245, 14656), (11908, 13840)]