1999223880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{71503}}^1$

素因数の和:71750

約数の個数: 64

約数和(自身を含む): 6023496960

約数和(自身を除く): 4024273080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 466, 699, 932, 1165, 1398, 1864, 2330, 2796, 3495, 4660, 5592, 6990, 9320, 13980, 27960, 71503, 143006, 214509, 286012, 357515, 429018, 572024, 715030, 858036, 1072545, 1430060, 1716072, 2145090, 2860120, 4290180, 8580360, 16660199, 33320398, 49980597, 66640796, 83300995, 99961194, 133281592, 166601990, 199922388, 249902985, 333203980, 399844776, 499805970, 666407960, 999611940, 1999223880]

約数ペア:

[(1, 1999223880), (2, 999611940), (3, 666407960), (4, 499805970), (5, 399844776), (6, 333203980), (8, 249902985), (10, 199922388), (12, 166601990), (15, 133281592), (20, 99961194), (24, 83300995), (30, 66640796), (40, 49980597), (60, 33320398), (120, 16660199), (233, 8580360), (466, 4290180), (699, 2860120), (932, 2145090), (1165, 1716072), (1398, 1430060), (1864, 1072545), (2330, 858036), (2796, 715030), (3495, 572024), (4660, 429018), (5592, 357515), (6990, 286012), (9320, 214509), (13980, 143006), (27960, 71503)]