87367980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29717}}^1$

素因数の和:29743

約数の個数: 72

約数和(自身を含む): 284579568

約数和(自身を除く): 197211588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 29717, 59434, 89151, 118868, 148585, 178302, 208019, 297170, 356604, 416038, 445755, 594340, 624057, 832076, 891510, 1040095, 1248114, 1456133, 1783020, 2080190, 2496228, 2912266, 3120285, 4160380, 4368399, 5824532, 6240570, 7280665, 8736798, 12481140, 14561330, 17473596, 21841995, 29122660, 43683990, 87367980]

約数ペア:

[(1, 87367980), (2, 43683990), (3, 29122660), (4, 21841995), (5, 17473596), (6, 14561330), (7, 12481140), (10, 8736798), (12, 7280665), (14, 6240570), (15, 5824532), (20, 4368399), (21, 4160380), (28, 3120285), (30, 2912266), (35, 2496228), (42, 2080190), (49, 1783020), (60, 1456133), (70, 1248114), (84, 1040095), (98, 891510), (105, 832076), (140, 624057), (147, 594340), (196, 445755), (210, 416038), (245, 356604), (294, 297170), (420, 208019), (490, 178302), (588, 148585), (735, 118868), (980, 89151), (1470, 59434), (2940, 29717)]