1120288640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:728

約数の個数: 128

約数和(自身を含む): 2840292000

約数和(自身を除く): 1720003360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 181, 190, 304, 320, 362, 380, 509, 608, 640, 724, 760, 905, 1018, 1216, 1448, 1520, 1810, 2036, 2432, 2545, 2896, 3040, 3439, 3620, 4072, 5090, 5792, 6080, 6878, 7240, 8144, 9671, 10180, 11584, 12160, 13756, 14480, 16288, 17195, 19342, 20360, 23168, 27512, 28960, 32576, 34390, 38684, 40720, 48355, 55024, 57920, 65152, 68780, 77368, 81440, 92129, 96710, 110048, 115840, 137560, 154736, 162880, 184258, 193420, 220096, 275120, 309472, 325760, 368516, 386840, 440192, 460645, 550240, 618944, 737032, 773680, 921290, 1100480, 1237888, 1474064, 1547360, 1750451, 1842580, 2200960, 2948128, 3094720, 3500902, 3685160, 5896256, 6189440, 7001804, 7370320, 8752255, 11792512, 14003608, 14740640, 17504510, 28007216, 29481280, 35009020, 56014432, 58962560, 70018040, 112028864, 140036080, 224057728, 280072160, 560144320, 1120288640]

約数ペア:

[(1, 1120288640), (2, 560144320), (4, 280072160), (5, 224057728), (8, 140036080), (10, 112028864), (16, 70018040), (19, 58962560), (20, 56014432), (32, 35009020), (38, 29481280), (40, 28007216), (64, 17504510), (76, 14740640), (80, 14003608), (95, 11792512), (128, 8752255), (152, 7370320), (160, 7001804), (181, 6189440), (190, 5896256), (304, 3685160), (320, 3500902), (362, 3094720), (380, 2948128), (509, 2200960), (608, 1842580), (640, 1750451), (724, 1547360), (760, 1474064), (905, 1237888), (1018, 1100480), (1216, 921290), (1448, 773680), (1520, 737032), (1810, 618944), (2036, 550240), (2432, 460645), (2545, 440192), (2896, 386840), (3040, 368516), (3439, 325760), (3620, 309472), (4072, 275120), (5090, 220096), (5792, 193420), (6080, 184258), (6878, 162880), (7240, 154736), (8144, 137560), (9671, 115840), (10180, 110048), (11584, 96710), (12160, 92129), (13756, 81440), (14480, 77368), (16288, 68780), (17195, 65152), (19342, 57920), (20360, 55024), (23168, 48355), (27512, 40720), (28960, 38684), (32576, 34390)]