90990720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{15797}}^1$

素因数の和:15822

約数の個数: 96

約数和(自身を含む): 314222220

約数和(自身を除く): 223231500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 15797, 31594, 47391, 63188, 78985, 94782, 126376, 142173, 157970, 189564, 236955, 252752, 284346, 315940, 379128, 473910, 505504, 568692, 631880, 710865, 758256, 947820, 1011008, 1137384, 1263760, 1421730, 1516512, 1895640, 2022016, 2274768, 2527520, 2843460, 3033024, 3791280, 4549536, 5055040, 5686920, 6066048, 7582560, 9099072, 10110080, 11373840, 15165120, 18198144, 22747680, 30330240, 45495360, 90990720]

約数ペア:

[(1, 90990720), (2, 45495360), (3, 30330240), (4, 22747680), (5, 18198144), (6, 15165120), (8, 11373840), (9, 10110080), (10, 9099072), (12, 7582560), (15, 6066048), (16, 5686920), (18, 5055040), (20, 4549536), (24, 3791280), (30, 3033024), (32, 2843460), (36, 2527520), (40, 2274768), (45, 2022016), (48, 1895640), (60, 1516512), (64, 1421730), (72, 1263760), (80, 1137384), (90, 1011008), (96, 947820), (120, 758256), (128, 710865), (144, 631880), (160, 568692), (180, 505504), (192, 473910), (240, 379128), (288, 315940), (320, 284346), (360, 252752), (384, 236955), (480, 189564), (576, 157970), (640, 142173), (720, 126376), (960, 94782), (1152, 78985), (1440, 63188), (1920, 47391), (2880, 31594), (5760, 15797)]