68013920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1768

約数の個数: 96

約数和(自身を含む): 182256480

約数和(自身を除く): 114242560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1721, 1976, 2080, 2470, 3040, 3442, 3952, 4940, 6884, 7904, 8605, 9880, 13768, 17210, 19760, 22373, 27536, 32699, 34420, 39520, 44746, 55072, 65398, 68840, 89492, 111865, 130796, 137680, 163495, 178984, 223730, 261592, 275360, 326990, 357968, 425087, 447460, 523184, 653980, 715936, 850174, 894920, 1046368, 1307960, 1700348, 1789840, 2125435, 2615920, 3400696, 3579680, 4250870, 5231840, 6801392, 8501740, 13602784, 17003480, 34006960, 68013920]

約数ペア:

[(1, 68013920), (2, 34006960), (4, 17003480), (5, 13602784), (8, 8501740), (10, 6801392), (13, 5231840), (16, 4250870), (19, 3579680), (20, 3400696), (26, 2615920), (32, 2125435), (38, 1789840), (40, 1700348), (52, 1307960), (65, 1046368), (76, 894920), (80, 850174), (95, 715936), (104, 653980), (130, 523184), (152, 447460), (160, 425087), (190, 357968), (208, 326990), (247, 275360), (260, 261592), (304, 223730), (380, 178984), (416, 163495), (494, 137680), (520, 130796), (608, 111865), (760, 89492), (988, 68840), (1040, 65398), (1235, 55072), (1520, 44746), (1721, 39520), (1976, 34420), (2080, 32699), (2470, 27536), (3040, 22373), (3442, 19760), (3952, 17210), (4940, 13768), (6884, 9880), (7904, 8605)]