1390080

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{181}}^1$

素因数の和:207

約数の個数: 80

約数和(自身を含む): 4468464

約数和(自身を除く): 3078384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 181, 192, 240, 256, 320, 362, 384, 480, 512, 543, 640, 724, 768, 905, 960, 1086, 1280, 1448, 1536, 1810, 1920, 2172, 2560, 2715, 2896, 3620, 3840, 4344, 5430, 5792, 7240, 7680, 8688, 10860, 11584, 14480, 17376, 21720, 23168, 28960, 34752, 43440, 46336, 57920, 69504, 86880, 92672, 115840, 139008, 173760, 231680, 278016, 347520, 463360, 695040, 1390080]

約数ペア:

[(1, 1390080), (2, 695040), (3, 463360), (4, 347520), (5, 278016), (6, 231680), (8, 173760), (10, 139008), (12, 115840), (15, 92672), (16, 86880), (20, 69504), (24, 57920), (30, 46336), (32, 43440), (40, 34752), (48, 28960), (60, 23168), (64, 21720), (80, 17376), (96, 14480), (120, 11584), (128, 10860), (160, 8688), (181, 7680), (192, 7240), (240, 5792), (256, 5430), (320, 4344), (362, 3840), (384, 3620), (480, 2896), (512, 2715), (543, 2560), (640, 2172), (724, 1920), (768, 1810), (905, 1536), (960, 1448), (1086, 1280)]