123390720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{10711}}^1$

素因数の和:10738

約数の個数: 108

約数和(自身を含む): 426958896

約数和(自身を除く): 303568176

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, 10711, 11520, 21422, 32133, 42844, 53555, 64266, 85688, 96399, 107110, 128532, 160665, 171376, 192798, 214220, 257064, 321330, 342752, 385596, 428440, 481995, 514128, 642660, 685504, 771192, 856880, 963990, 1028256, 1285320, 1371008, 1542384, 1713760, 1927980, 2056512, 2570640, 2742016, 3084768, 3427520, 3855960, 4113024, 5141280, 6169536, 6855040, 7711920, 8226048, 10282560, 12339072, 13710080, 15423840, 20565120, 24678144, 30847680, 41130240, 61695360, 123390720]

約数ペア:

[(1, 123390720), (2, 61695360), (3, 41130240), (4, 30847680), (5, 24678144), (6, 20565120), (8, 15423840), (9, 13710080), (10, 12339072), (12, 10282560), (15, 8226048), (16, 7711920), (18, 6855040), (20, 6169536), (24, 5141280), (30, 4113024), (32, 3855960), (36, 3427520), (40, 3084768), (45, 2742016), (48, 2570640), (60, 2056512), (64, 1927980), (72, 1713760), (80, 1542384), (90, 1371008), (96, 1285320), (120, 1028256), (128, 963990), (144, 856880), (160, 771192), (180, 685504), (192, 642660), (240, 514128), (256, 481995), (288, 428440), (320, 385596), (360, 342752), (384, 321330), (480, 257064), (576, 214220), (640, 192798), (720, 171376), (768, 160665), (960, 128532), (1152, 107110), (1280, 96399), (1440, 85688), (1920, 64266), (2304, 53555), (2880, 42844), (3840, 32133), (5760, 21422), (10711, 11520)]