16720470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:518

約数の個数: 96

約数和(自身を含む): 48432384

約数和(自身を除く): 31711914

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 186, 195, 234, 279, 310, 390, 403, 461, 465, 558, 585, 806, 922, 930, 1170, 1209, 1383, 1395, 2015, 2305, 2418, 2766, 2790, 3627, 4030, 4149, 4610, 5993, 6045, 6915, 7254, 8298, 11986, 12090, 13830, 14291, 17979, 18135, 20745, 28582, 29965, 35958, 36270, 41490, 42873, 53937, 59930, 71455, 85746, 89895, 107874, 128619, 142910, 179790, 185783, 214365, 257238, 269685, 371566, 428730, 539370, 557349, 643095, 928915, 1114698, 1286190, 1672047, 1857830, 2786745, 3344094, 5573490, 8360235, 16720470]

約数ペア:

[(1, 16720470), (2, 8360235), (3, 5573490), (5, 3344094), (6, 2786745), (9, 1857830), (10, 1672047), (13, 1286190), (15, 1114698), (18, 928915), (26, 643095), (30, 557349), (31, 539370), (39, 428730), (45, 371566), (62, 269685), (65, 257238), (78, 214365), (90, 185783), (93, 179790), (117, 142910), (130, 128619), (155, 107874), (186, 89895), (195, 85746), (234, 71455), (279, 59930), (310, 53937), (390, 42873), (403, 41490), (461, 36270), (465, 35958), (558, 29965), (585, 28582), (806, 20745), (922, 18135), (930, 17979), (1170, 14291), (1209, 13830), (1383, 12090), (1395, 11986), (2015, 8298), (2305, 7254), (2418, 6915), (2766, 6045), (2790, 5993), (3627, 4610), (4030, 4149)]