252990720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{21961}}^1$

素因数の和:21988

約数の個数: 108

約数和(自身を含む): 875361396

約数和(自身を除く): 622370676

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, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 21961, 43922, 65883, 87844, 109805, 131766, 175688, 197649, 219610, 263532, 329415, 351376, 395298, 439220, 527064, 658830, 702752, 790596, 878440, 988245, 1054128, 1317660, 1405504, 1581192, 1756880, 1976490, 2108256, 2635320, 2811008, 3162384, 3513760, 3952980, 4216512, 5270640, 5622016, 6324768, 7027520, 7905960, 8433024, 10541280, 12649536, 14055040, 15811920, 16866048, 21082560, 25299072, 28110080, 31623840, 42165120, 50598144, 63247680, 84330240, 126495360, 252990720]

約数ペア:

[(1, 252990720), (2, 126495360), (3, 84330240), (4, 63247680), (5, 50598144), (6, 42165120), (8, 31623840), (9, 28110080), (10, 25299072), (12, 21082560), (15, 16866048), (16, 15811920), (18, 14055040), (20, 12649536), (24, 10541280), (30, 8433024), (32, 7905960), (36, 7027520), (40, 6324768), (45, 5622016), (48, 5270640), (60, 4216512), (64, 3952980), (72, 3513760), (80, 3162384), (90, 2811008), (96, 2635320), (120, 2108256), (128, 1976490), (144, 1756880), (160, 1581192), (180, 1405504), (192, 1317660), (240, 1054128), (256, 988245), (288, 878440), (320, 790596), (360, 702752), (384, 658830), (480, 527064), (576, 439220), (640, 395298), (720, 351376), (768, 329415), (960, 263532), (1152, 219610), (1280, 197649), (1440, 175688), (1920, 131766), (2304, 109805), (2880, 87844), (3840, 65883), (5760, 43922), (11520, 21961)]