123349720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 305946720

約数和(自身を除く): 182597000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 169, 257, 260, 284, 338, 355, 514, 520, 568, 676, 710, 845, 923, 1028, 1285, 1352, 1420, 1690, 1846, 2056, 2570, 2840, 3341, 3380, 3692, 4615, 5140, 6682, 6760, 7384, 9230, 10280, 11999, 13364, 16705, 18247, 18460, 23998, 26728, 33410, 36494, 36920, 43433, 47996, 59995, 66820, 72988, 86866, 91235, 95992, 119990, 133640, 145976, 173732, 182470, 217165, 237211, 239980, 347464, 364940, 434330, 474422, 479960, 729880, 868660, 948844, 1186055, 1737320, 1897688, 2372110, 3083743, 4744220, 6167486, 9488440, 12334972, 15418715, 24669944, 30837430, 61674860, 123349720]

約数ペア:

[(1, 123349720), (2, 61674860), (4, 30837430), (5, 24669944), (8, 15418715), (10, 12334972), (13, 9488440), (20, 6167486), (26, 4744220), (40, 3083743), (52, 2372110), (65, 1897688), (71, 1737320), (104, 1186055), (130, 948844), (142, 868660), (169, 729880), (257, 479960), (260, 474422), (284, 434330), (338, 364940), (355, 347464), (514, 239980), (520, 237211), (568, 217165), (676, 182470), (710, 173732), (845, 145976), (923, 133640), (1028, 119990), (1285, 95992), (1352, 91235), (1420, 86866), (1690, 72988), (1846, 66820), (2056, 59995), (2570, 47996), (2840, 43433), (3341, 36920), (3380, 36494), (3692, 33410), (4615, 26728), (5140, 23998), (6682, 18460), (6760, 18247), (7384, 16705), (9230, 13364), (10280, 11999)]